WPF拉开窗帘效果
从一个界面跳转到另一个界面。另一个界面的显示方式类似于拉开窗帘，从左至右由暗变亮。
[解决办法]
Expression Blend 专门做Silverlight动画的 同时也可以编辑跳转
[解决办法]
<UserControl
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"
x:Class="SilverlightApplication11.MainPage"
Width="800" Height="600">
<Border Background="White">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="VisualStateGroup">
<VisualState x:Name="VisualState">
<Storyboard>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="button">
<EasingDoubleKeyFrame KeyTime="0" Value="0"/>
<SplineDoubleKeyFrame KeyTime="0:0:2" Value="1" KeySpline="1,0,1,1"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateX)" Storyboard.TargetName="button">
<EasingDoubleKeyFrame KeyTime="0" Value="0"/>
<SplineDoubleKeyFrame KeyTime="0:0:2" Value="258" KeySpline="1,0,1,1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Button x:Name="button" Content="Button" HorizontalAlignment="Left" Margin="-224,200,0,299" Width="223" RenderTransformOrigin="0.5,0.5">
<Button.Background>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="Black" Offset="0"/>
<GradientStop Color="#FFE90E0E" Offset="0.996"/>
<GradientStop Color="#FE320303" Offset="0.278"/>
</LinearGradientBrush>
</Button.Background>
<Button.RenderTransform>
<CompositeTransform/>
</Button.RenderTransform>
</Button>
</Border>
</UserControl>
刚刚用Blend随便画的，看看行不行
