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请求的是当ViewModel的属性SelectedItem引发更改时,我的ListView的行闪烁。UWP - DataTemplate中的故事板ControlStoryboardAction仅第一次触发
这是我的代码,问题是它只能第一次运行。后续更改将被忽略。
<DataTemplate x:Key="myDataTemplate">
<Grid x:Name="myGrid">
<Interactivity:Interaction.Behaviors>
<Core:DataTriggerBehavior Binding="{Binding SelectedItem}" Value="True">
<Media:ControlStoryboardAction>
<Media:ControlStoryboardAction.Storyboard>
<Storyboard>
<ColorAnimation
To="#009ABF"
Storyboard.TargetName="myGrid"
Storyboard.TargetProperty="(Grid.Background).(SolidColorBrush.Color)"
AutoReverse="True"
Duration="0:0:1"
RepeatBehavior="1x" />
</Storyboard>
</Media:ControlStoryboardAction.Storyboard>
</Media:ControlStoryboardAction>
</Core:DataTriggerBehavior>
</Interactivity:Interaction.Behaviors>
<TextBlock Text="{Binding Name}"
Grid.Column="1"
VerticalAlignment="Top"
HorizontalAlignment="Left"
Margin="0,2,10,0"
FontSize="16"
TextAlignment="Left"/>
<!--OMISSIS-->
</Grid>
的SelectedItem代码:
public bool SelectedItem
{
get
{
return this.selectedItem;
}
set
{
this.selectedItem = value;
this.RaisePropertyChanged();
}
}
什么是'SelectedItem'类型?,请提供cs代码 –
乍一看,它只是您的'RepeatBehavior =“1x”',因为它对每个实例使用相同的Storyboard,并且您已对其设置了'AutoReverse'。 –