C# ListView:检索鼠标指针上的行值
我想在C# ListView:检索鼠标指针上的行值,c#,wpf,listview,data-binding,mouseevent,C#,Wpf,Listview,Data Binding,Mouseevent,我想在MouseEnter事件的ListViewa中检索行单元格的值。ListView项是通过绑定生成的 如果不检查SelectedItem,如何执行此操作 更新 xaml 我们可以覆盖ItemContainerStyle,以使项目有机会处理事件: xaml: 就你而言: xaml: 更改BasedOn=“{StaticResource{x:type ListBoxItem}中的类型如果您有listboxitem的自定义样式。您只需将ListBox更改为ListView,就可以轻松地将上述Lis
MouseEnter
事件的ListView
a中检索行单元格的值。ListView
项是通过绑定生成的
如果不检查SelectedItem
,如何执行此操作
更新
xaml
我们可以覆盖ItemContainerStyle,以使项目有机会处理事件:
xaml:
就你而言:
xaml:
更改BasedOn=“{StaticResource{x:type ListBoxItem}中的类型
如果您有listboxitem的自定义样式。您只需将ListBox更改为ListView,就可以轻松地将上述ListBox代码应用于ListView谢谢您的回答。我尝试添加了您的代码,但没有成功。我已使用代码更新了我的答案。我的目标是检索鼠标悬停时的值并将其添加到状态栏项中。这是解决方案不适用于具有数据绑定
的项目。我的示例代码没有任何绑定。如果您能回答与绑定
相关的相同问题,我将不胜感激。请参见:
<StackPanel>
<ListView x:Name="listView" MouseEnter="listView_MouseEnter">
<ListView.View>
<GridView>
<GridViewColumn Header="Items"/>
</GridView>
</ListView.View>
</ListView>
<StatusBar VerticalAlignment="Center">
<StatusBarItem>The value is:</StatusBarItem>
<StatusBarItem x:Name="retrievedText" />
</StatusBar>
</StackPanel>
public MainWindow()
{
InitializeComponent();
int[] itemSource = { 1, 12, 3, 44, 12, 45, 6, 8, 9 };
listView.ItemsSource = itemSource;
}
private void listView_MouseEnter(object sender, MouseEventArgs e)
{
string hoveredItem = null; //This will be the retrieved value
retrievedText.Content = hoveredItem;
}
<ListBox>
<ListBox.ItemContainerStyle>
<Style TargetType="{x:Type ListBoxItem}" BasedOn="{StaticResource {x:Type ListBoxItem} }">
<EventSetter Event="MouseEnter" Handler="ListBoxItem_MouseEnter" />
</Style>
</ListBox.ItemContainerStyle>
</ListBox>
private void ListBoxItem_MouseEnter(object s, MouseEventArgs e)
{
var item = e.OriginalSource as ListBoxItem;
// depends on what we have put in the content. e.g. string.
var content = item.Content as string;
}
<StackPanel>
<ListView x:Name="listView">
<ListView.ItemContainerStyle>
<Style TargetType="{x:Type ListBoxItem}" BasedOn="{StaticResource {x:Type ListBoxItem}}">
<EventSetter Event="MouseEnter" Handler="ListBoxItem_MouseEnter" />
</Style>
</ListView.ItemContainerStyle>
<ListView.View>
<GridView>
<GridViewColumn Header="Items"/>
</GridView>
</ListView.View>
</ListView>
<StatusBar VerticalAlignment="Center">
<StatusBarItem>The value is:</StatusBarItem>
<StatusBarItem x:Name="retrievedText" />
</StatusBar>
</StackPanel>
private void ListBoxItem_MouseEnter(object s, MouseEventArgs e)
{
var item = e.OriginalSource as ListBoxItem;
retrievedText.Content = item.Content;
}