对于SilverLight 动画中 控件同时设置Opacity和Effect属性时 CPU占用率总在95%以上
做一个跑马灯效果
<UserControl x:Class="SilverlightBlog.Controls.GoAroundControl"
xmlns="
http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="
http://schemas.microsoft.com/winfx/2006/xaml"
Width="150"
Background="Transparent"
Foreground="Black">
<Canvas x:Name="LayoutRoot" Background="Transparent" Opacity="0.5">
<Canvas.Triggers>
<EventTrigger RoutedEvent="Canvas.Loaded">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard x:Name="goAround" RepeatBehavior="Forever" Storyboard.TargetProperty="(Canvas.Left)">
<DoubleAnimation Storyboard.TargetName="text1" To="-190" Duration="0:0:5" From="10"></DoubleAnimation>
<DoubleAnimation Storyboard.TargetName="text2" To="10" Duration="0:0:5" From="210"></DoubleAnimation>
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
</Canvas.Triggers>
<TextBlock x:Name="text1" Width="200" Canvas.Left="10" Text="请点击播放按扭收听音乐" >
</TextBlock>
<TextBlock x:Name="text2" Width="200" Canvas.Left="210" Text="请点击播放按扭收听音乐">
</TextBlock>
<Canvas.Effect>
<DropShadowEffect BlurRadius="10" Color="White" ShadowDepth="0"></DropShadowEffect>
</Canvas.Effect>
</Canvas>
</UserControl>
去掉Opacity和Effect 任何一个都正常,一起使用CPU就在95%以上了
