我有以下的WPF代码停止WPF故事板和保持实际值
<Window.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary>
<Image x:Key="MyImage" Source="../Assets/icon.ico"/>
</ResourceDictionary>
</ResourceDictionary.MergedDictionaries>
<Storyboard x:Key="AkomiLogoAnimation">
<DoubleAnimation
Storyboard.TargetProperty="(Image.RenderTransform).(RotateTransform.Angle)"
By="360"
SpeedRatio="0.5"
RepeatBehavior="Forever"
FillBehavior="Stop"
/>
</Storyboard>
</ResourceDictionary>
</Window.Resources>
<TextBox x:Name="txtAuto"/>
<Image Source="../Assets/icon.ico" Width="20" Height="20" RenderTransformOrigin=".5,.5">
<Image.Resources>
<converter:IsNullConverter x:Key="IsNullConverter"/>
</Image.Resources>
<Image.RenderTransform>
<RotateTransform Angle="0" />
</Image.RenderTransform>
<Image.Style>
<Style>
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=txtAuto, Path=Text, Converter={StaticResource IsNullConverter}, NotifyOnSourceUpdated=True, UpdateSourceTrigger=PropertyChanged}" Value="False">
<DataTrigger.EnterActions>
<BeginStoryboard Name="AkomiRotation" Storyboard="{StaticResource AkomiLogoAnimation}">
</BeginStoryboard>
</DataTrigger.EnterActions>
</DataTrigger>
<DataTrigger Binding="{Binding ElementName=txtAuto, Path=Text, Converter={StaticResource IsNullConverter}, NotifyOnSourceUpdated=True, UpdateSourceTrigger=PropertyChanged}" Value="True">
<DataTrigger.EnterActions>
<StopStoryboard BeginStoryboardName="AkomiRotation" >
</StopStoryboard>
</DataTrigger.EnterActions>
</DataTrigger>
</Style.Triggers>
</Style>
</Image.Style>
</Image>
我们的目标是尽快为一些文字已经进入旋转图像。但是停止故事板可以让图像角度跳跃到初始值。
我尝试添加FillBehavior="HoldEnd"
到故事板的定义,但不起作用。
有什么建议吗?也许我可以在动画结束时访问角度值,并将此值设置为RotateTransform
的arent你旋转360(即所有的方式回到它开始)动画改变fillbehavior ????? – TYY
@TYY是的,它会不断地在同一方向旋转 –