我有一个绑定到整数值的标签。
如果此标签为零,那么我希望标签颜色为白色,但如果该值大于零,我希望标签显示为闪烁/闪烁并为红色。
这是否可能,如果可行,我将如何实现这一目标?
非常感谢
答案 0 :(得分:1)
<强>转换器:强>
class IsGeaterThanZeroToBoolConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
return (int) value > 0;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
<强> XAML:强>
<Window.Resources>
<local:IsGeaterThanZeroToBoolConverter x:Key="IsGeaterThanZeroToBoolConverter"/>
</Window.Resources>
<Label Content="{Binding Age}">
<Label.Style>
<Style TargetType="Label">
<Style.Triggers>
<DataTrigger Binding="{Binding Age}" Value="0">
<Setter Property="Foreground" Value="White"/>
</DataTrigger>
<DataTrigger Binding="{Binding Age, Converter={StaticResource IsGeaterThanZeroToBoolConverter}}" Value="True">
<Setter Property="Foreground" Value="Red"/>
<DataTrigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetProperty="Opacity" AutoReverse="True"
To="0" RepeatBehavior="Forever"/>
</Storyboard>
</BeginStoryboard>
</DataTrigger.EnterActions>
</DataTrigger>
</Style.Triggers>
</Style>
</Label.Style>
</Label>