原文:
WPF 自定义窗口关闭按钮
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关闭图标设计主要涉及主要知识点：
1、Path，通过Path来画线。当然一般水平、竖直也是可以用Rectangle/Border之类的替代
一些简单的线条图标用Path来做，还是很方便的。
2、简单的动画，Animation用法
Button样式如下：
<Button x:Name="BtnClose" Click="BtnClose_OnClick"> <Button.Template> <ControlTemplate TargetType="Button"> <Grid> <Grid x:Name="Uc_Grid" VerticalAlignment="Center" Height="25" Width="25"> <Path x:Name="Uc_Path1" Stroke="DodgerBlue" StrokeThickness="4" Data="M0,0 L20,20" VerticalAlignment="Center" HorizontalAlignment="Center"></Path> <Path x:Name="Uc_Path2" Stroke="DodgerBlue" StrokeThickness="4" Data="M20,0 L0,20" VerticalAlignment="Center" HorizontalAlignment="Center"></Path> <Grid.RenderTransform> <RotateTransform x:Name="Uc_Transform" Angle="0" CenterY="12.5" CenterX="12.5"></RotateTransform> </Grid.RenderTransform> </Grid> <ContentPresenter Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalAlignment}"></ContentPresenter> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter TargetName="Uc_Path1" Property="Data" Value="M0,0 L22,22"></Setter> <Setter TargetName="Uc_Path2" Property="Data" Value="M22,0 L0,22"></Setter> </Trigger> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="Uc_Path1" Property="Data" Value="M0,0 L24,24"></Setter> <Setter TargetName="Uc_Path2" Property="Data" Value="M24,0 L0,24"></Setter> </Trigger> <EventTrigger RoutedEvent="MouseEnter"> <BeginStoryboard HandoffBehavior="SnapshotAndReplace"> <Storyboard TargetName="Uc_Transform" TargetProperty="Angle"> <DoubleAnimation From="0" To="90" Duration="0:0:0.1"></DoubleAnimation> </Storyboard> </BeginStoryboard> </EventTrigger> </ControlTemplate.Triggers> </ControlTemplate> </Button.Template> </Button>
