我想要一个在 DataTrigger 触发时闪烁/动画的按钮。我想为按钮的背景设置动画。下面是我的 xaml 代码。
<Window.Resources>
<Style x:Key="ButtonStyle" TargetType="{x:Type Button}">
<Style.Triggers>
<DataTrigger Binding="{Binding RelativeSource={RelativeSource AncestorType=Window}, Path=DataContext.Notification}" Value="True">
<DataTrigger.EnterActions>
<BeginStoryboard Name="StartBlinking">
<Storyboard>
<ColorAnimation Storyboard.TargetProperty="(Background).(SolidColorBrush.Color)" To="Orange" Duration="00:00:00.4" RepeatBehavior="Forever" AutoReverse="True"/>
</Storyboard>
</BeginStoryboard>
</DataTrigger.EnterActions>
</DataTrigger>
<DataTrigger Binding="{Binding RelativeSource={RelativeSource AncestorType=Window}, Path=DataContext.Notification}" Value="False">
<DataTrigger.EnterActions>
<RemoveStoryboard BeginStoryboardName="StartBlinking"/>
</DataTrigger.EnterActions>
</DataTrigger>
</Style.Triggers>
</Style>
</Window.Resources>
<Grid>
<Grid>
<Button x:Name="Button" Content="Button" Width="25" Height="25" Margin="158,62,320,224" Click="Button_Click"></Button>
<Button Style="{StaticResource ButtonStyle}" Content="Button" Focusable="False" Height="75" HorizontalAlignment="Left" Margin="23,146,0,0" Name="btnImgBrush" VerticalAlignment="Top" Width="160"></Button>
</Grid>
</Grid>
下面是后端代码:
public Boolean Notification
{
get { return new_notification; }
set
{
new_notification = value;
RaisePropertyChanged("Notification");
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
if (Notification)
{
Notification = false;
}
else
{
Notification = true;
}
}
但是,它没有用。任何想法为什么它不起作用?
非常感谢任何帮助,谢谢。