我正在尝试创建一个自定义事件来触发 Silverlight 中的动画。虽然事件被触发,但动画不起作用。以下是相关代码:
namespace SilverlightApplication1
{
public partial class MainPage : UserControl
{
public MainPage()
{
MyEvent += new ChangedEventHandler(UserControl_MyEventHandler);
/* Other stuff */
}
private void UserControl_MyEventHandler(object sender, RoutedEventArgs e)
{
MessageBox.Show("MyEventHandler has been called");
}
public delegate void ChangedEventHandler(object sender, RoutedEventArgs e);
private event ChangedEventHandler MyEvent;
private void UserControl_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (MyEvent != null)
MyEvent(this, e);
}
}
}
XAML 代码如下:
<UserControl
...
xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity" mc:Ignorable="d"
x:Class="SilverlightApplication1.MainPage" MouseLeftButtonDown="UserControl_MouseLeftButtonDown">
<Grid x:Name="LayoutRoot" Background="White">
<i:Interaction.Triggers>
<i:EventTrigger EventName="MyEvent">
<ei:GoToStateAction StateName="Highlighted"/>
</i:EventTrigger>
</i:Interaction.Triggers>
...
</Grid>
</UserControl>
当前,正在显示包含“MouseLeftButtonDown”的消息框,但未调用动画。当 EventTrigger EventNameMouseLeftButtonDown
不是 时,动画确实被调用了MyEvent
。请帮帮我。谢谢。