我在我的网格的第一行上有一个状态消息,并希望在可见性更改时将其滑入和滑出。
第一个可见性触发器很好用,可以快速打开第一行网格。但是,一旦我添加“折叠”触发器,就完全不起作用了。当可见性设置为折叠时,如何反转动画以关闭幻灯片?
<Grid Grid.Row="0" Height="55" Visibility="{Binding StatusMessageVisibility, Mode=TwoWay}">
<Grid.Style>
<Style TargetType="Grid">
<Style.Triggers>
<Trigger Property="Visibility" Value="Visible">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetProperty="Height" From="0" To="55" Duration="0:0:.1" />
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
</Trigger>
<Trigger Property="Visibility" Value="Collapsed">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetProperty="Height" From="55" To="0" Duration="0:0:.1" />
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
</Trigger>
</Style.Triggers>
</Style>
</Grid.Style>
<TextBlock Text="Hi There" />
</Grid>