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[英]DataTrigger storyboard not firing WPF on PropertyValueChange
[英]Wpf button with both result datatrigger storyboard and mouseover background
我正在尋求實現此功能:綁定到命令的按鈕,可以以紅色或綠色閃爍的形式向后發信號通知命令是否成功。 同時,我希望該按鈕看起來像其他按鈕。
這是我現在擁有的代碼:
<Button IsEnabled="{Binding EmptyingAllowed}" Content="Töm lista" Foreground="#555555" FontWeight="SemiBold" Height="20" Width="65" Command="{Binding EmptyListCommand}" >
<Button.Style>
<Style TargetType="Button">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Button">
<Border BorderBrush="#BBBBBB" Padding="1" BorderThickness="0,0,1,1" Background="#DDDDDD">
<Grid Background="{TemplateBinding Background}">
<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" />
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<DataTrigger Binding="{Binding ClearedOk}" Value="Ok">
<DataTrigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation AccelerationRatio="0.2" DecelerationRatio="0.01" AutoReverse="True" Duration="0:0:1" To="LawnGreen" Storyboard.TargetProperty="(Button.Background).(SolidColorBrush.Color)"/>
</Storyboard>
</BeginStoryboard>
</DataTrigger.EnterActions>
</DataTrigger>
<DataTrigger Binding="{Binding ClearedOk}" Value="Error">
<DataTrigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation AccelerationRatio="0.2" DecelerationRatio="0.01" AutoReverse="True" Duration="0:0:1" To="Red" Storyboard.TargetProperty="(Button.Background).(SolidColorBrush.Color)"/>
</Storyboard>
</BeginStoryboard>
</DataTrigger.EnterActions>
</DataTrigger>
</Style.Triggers>
</Style>
</Button.Style>
</Button>
執行命令時,將ClearedOk設置為“ Ok”或“ Error”,然后設置為“ Empty”,這會導致我正在尋找的閃存,不幸的是,由於某些原因,失去了通常的mouseOver-effect,如果我添加mouseOver-trigger,它始終優先於閃爍效果,這意味着僅按鈕可見的閃爍不是mouseOver:ed。
有針對這個的解決方法嗎?
嘗試使數據模板和模型具有狀態屬性,然后將模板綁定到該屬性。
<DataTemplate x:Key="DataTemplate">
<Grid >
<Ellipse Stroke="White"
StrokeThickness="5"
Fill="{Binding State, Converter={StaticResource CheckToColorConverter}}"/>
</Grid>
</DataTemplate>
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