C# 需要帮助创建滚动文本块,
我正在使用滚动文本控件 我有一个两列的网格。此时,滚动文本会越过左边的列,但我不希望这样 代码:C# 需要帮助创建滚动文本块,,c#,wpf,C#,Wpf,我正在使用滚动文本控件 我有一个两列的网格。此时,滚动文本会越过左边的列,但我不希望这样 代码: <Window x:Class="WpfApplication5.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-na
<Window x:Class="WpfApplication5.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:WpfApplication5"
Title="MainWindow" Height="83" Width="350" Name="UI" Tag="Tol Level">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="125" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<WrapPanel Background="Red" Grid.Column="0" />
<StackPanel Grid.Column="1" Orientation="Horizontal" x:Name="stack">
<StackPanel.Resources>
<local:NegatingConverter x:Key="NegatingConverter" />
<Storyboard x:Key="slide">
<DoubleAnimation From="0" To="{Binding Width, ElementName=canvas, Converter={StaticResource NegatingConverter}}" Duration="00:00:02"
Storyboard.TargetProperty="X"
Storyboard.TargetName="transferCurreny"
RepeatBehavior="Forever"/>
</Storyboard>
</StackPanel.Resources>
<StackPanel.RenderTransform>
<TranslateTransform x:Name="transferCurreny" X="0"/>
</StackPanel.RenderTransform>
<StackPanel.Triggers>
<EventTrigger RoutedEvent="StackPanel.Loaded">
<BeginStoryboard Storyboard="{StaticResource slide}" />
</EventTrigger>
<EventTrigger RoutedEvent="StackPanel.SizeChanged">
<BeginStoryboard Storyboard="{StaticResource slide}" />
</EventTrigger>
</StackPanel.Triggers>
<Canvas x:Name="canvas" Width="{Binding ActualWidth, ElementName=stack}">
<TextBlock Text="StackOverflow" FontSize="25" x:Name="txtKron" Canvas.Left="0"/>
<TextBlock Text="{Binding Text, ElementName=txtKron}" FontSize="25" Canvas.Left="{Binding Width, ElementName=canvas}"/>
</Canvas>
</StackPanel>
</Grid>
我用这个答案作为灵感:
在WPF中,声明XAML元素的顺序由它们的Z索引值(从前到后)反映出来。因此,解决问题的最简单方法是将
WrapPanel
移动到代码的底部,例如,最后声明,然后它将位于滚动TextBlock
的顶部:
...
<Canvas x:Name="canvas" Width="{Binding ActualWidth, ElementName=stack}">
<TextBlock Text="StackOverflow" FontSize="25" x:Name="txtKron" Canvas.Left="0"/>
<TextBlock Text="{Binding Text, ElementName=txtKron}" FontSize="25" Canvas.Left="{Binding Width, ElementName=canvas}"/>
</Canvas>
</StackPanel>
<WrapPanel Background="Red" Grid.Column="0" />
</Grid>
。。。
...
<Canvas x:Name="canvas" Width="{Binding ActualWidth, ElementName=stack}">
<TextBlock Text="StackOverflow" FontSize="25" x:Name="txtKron" Canvas.Left="0"/>
<TextBlock Text="{Binding Text, ElementName=txtKron}" FontSize="25" Canvas.Left="{Binding Width, ElementName=canvas}"/>
</Canvas>
</StackPanel>
<WrapPanel Background="Red" Grid.Column="0" />
</Grid>