C# uwp GridView selectedItem弹出窗口
我正在使用UWP社区工具包提供的AdaptiveGridView。我希望gridview的选定项在Z轴上弹出,这意味着选定项必须放大到特定的大小,但它不应干扰其他gridview项的大小,而应在画布的Z轴上缩放。使用UWP community toolkit缩放效果(但这也会影响其他项目的大小)也可以设置此效果的动画。如果在所选项目上不可能,那么在指针悬停时是否可能 方法1:更改选择时 XAML部件C# uwp GridView selectedItem弹出窗口,c#,xaml,animation,uwp,windows-community-toolkit,C#,Xaml,Animation,Uwp,Windows Community Toolkit,我正在使用UWP社区工具包提供的AdaptiveGridView。我希望gridview的选定项在Z轴上弹出,这意味着选定项必须放大到特定的大小,但它不应干扰其他gridview项的大小,而应在画布的Z轴上缩放。使用UWP community toolkit缩放效果(但这也会影响其他项目的大小)也可以设置此效果的动画。如果在所选项目上不可能,那么在指针悬停时是否可能 方法1:更改选择时 XAML部件 <GridView Height="200" SelectionCha
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
样本输出
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
方法2:指针悬停
XAML部件
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
样本输出
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
方法3:使用投影
XAML部件
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
样本输出
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
(旧帖子) 方法1(不与其他项目重叠) XAML部件
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
样本输出
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
方法2(将与其他项目重叠)
XAML部件
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
样本输出
<GridView Height="200" SelectionChanged="GridView_SelectionChanged">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
lastPopUpElement = (sender as GridView).ContainerFromIndex((sender as GridView).SelectedIndex) as FrameworkElement;
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<Grid Width="100" Height="100" PointerEntered="GridView_PointerEntered" PointerExited="GridView_PointerExited">
<!-- Content -->
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
FrameworkElement lastPopUpElement = null;
private void GridView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender as FrameworkElement) as FrameworkElement) as FrameworkElement;
Canvas.SetZIndex(lastPopUpElement, 1);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void GridView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<GridView Height="200">
<GridView.ItemTemplate>
<DataTemplate x:DataType="local:ItemSource">
<controls:DropShadowPanel OffsetX="5" OffsetY="5" Color="Black" BlurRadius="5" ShadowOpacity="0" PointerEntered="myListView_PointerEntered" PointerExited="myListView_PointerExited">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</controls:DropShadowPanel>
</DataTemplate>
</GridView.ItemTemplate>
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<ItemsWrapGrid VerticalAlignment="Center" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
</GridView>
private void myListView_PointerEntered(object sender, PointerRoutedEventArgs e)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
lastPopUpElement = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(DropShadow) as FrameworkElement) as FrameworkElement;
DropShadow.ShadowOpacity = 0.5;
Canvas.SetZIndex(lastPopUpElement, 10);
lastPopUpElement.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
private void myListView_PointerExited(object sender, PointerRoutedEventArgs e)
{
if (lastPopUpElement != null)
{
DropShadowPanel DropShadow = sender as DropShadowPanel;
DropShadow.ShadowOpacity = 0;
Canvas.SetZIndex(lastPopUpElement, 0);
lastPopUpElement.Scale(centerX: 50, centerY: 50, easingType: EasingType.Sine).Start();
}
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="150" Height="150">
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
</Grid>
FrameworkElement oldSetectedItem = null;
private void myAdaptiveGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (oldSetectedItem != null)
oldSetectedItem.Scale(1, 1, 50, 50, 500).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var outerGrid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(outerGrid, 0) as FrameworkElement;
oldSetectedItem = grid;
grid.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
<Grid Name="MainGrid" Height="200">
<controls:AdaptiveGridView x:Name="myAdaptiveGridView" SelectionChanged="myAdaptiveGridView_SelectionChanged" VerticalAlignment="Center" HorizontalAlignment="Left">
<controls:AdaptiveGridView.ItemTemplate>
<DataTemplate>
<Grid Width="100" Height="100" VerticalAlignment="Center" HorizontalAlignment="Center">
<!-- Content -->
</Grid>
</DataTemplate>
</controls:AdaptiveGridView.ItemTemplate>
</controls:AdaptiveGridView>
<Image x:Name="RenderedImage" Stretch="None" Visibility="Collapsed" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Grid>
private async void myAdaptiveGridView_SelectionChangedAsync(object sender, SelectionChangedEventArgs e)
{
RenderedImage.Scale(1, 1, 0, 0, 0).Start();
var container = myAdaptiveGridView.ContainerFromIndex(myAdaptiveGridView.SelectedIndex) as FrameworkElement;
var listViewItemPresenter = VisualTreeHelper.GetChild(container, 0) as FrameworkElement;
var grid = VisualTreeHelper.GetChild(listViewItemPresenter, 0) as FrameworkElement;
oldSetectedItem = grid;
var TTV = grid.TransformToVisual(MainGrid);
Point screenCoords = TTV.TransformPoint(new Point(0, 0));
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(grid);
RenderedImage.Source = renderTargetBitmap;
RenderedImage.Margin = new Thickness(screenCoords.X, screenCoords.Y, 0, 0);
RenderedImage.Width = grid.ActualWidth;
RenderedImage.Height = grid.ActualHeight;
RenderedImage.Visibility = Visibility.Visible;
RenderedImage.Scale(1.5f, 1.5f, 50, 50, 500).Start();
}
您尝试了哪种比例法?通常,比例的改变不会影响布局,尺寸的改变会影响布局。我正试图解决这个问题。我使用
var container=AdaptiveGridViewControl.ContainerFromIndex(AdaptiveGridViewControl.SelectedIndex)作为框架元素获取所选项目的容器
,并尝试使用container.Scale(2,2,0,0,500,0,EasingType.Default)增加比例
但它不会增加比例,而是在我更改宽度时增加比例(或高度)它会像预期的那样影响所选项目。为什么缩放不会影响布局?它最有可能不会更改缩放,因为每个gridview项目都在某个边界内。对不起,缩放我指的是大小更改,这会影响布局,正如@VijayNirmal测试的那样,缩放不会因为边界而对项目产生任何影响,我们需要一种方法来byp因为边界可能在Z轴上?@JustinXL那么改变宽度(或高度)如何影响所选项目?这是一个很好的答案,做得好@VijayNirmal我想我们也可以添加阴影效果,这将改善叠加效果,但你已经完成了核心任务,非常感谢:)顺便问一下,在第二种方法中,为什么你要将外网格的高度设置为150?我想它也能在100英尺的高度下工作,因为它应该是这样的overlay@JustinXL Thanks@touseef对您可以删除它。我将编辑我的答案。我已经在UWPCommunityToolkit中打开了一个创建弹出动画的窗口。