隐藏默认标题栏，设置自定义标题栏

MainWindow.xaml

@@ -12,6 +12,7 @@
     <WindowChrome.WindowChrome>
         <WindowChrome CaptionHeight="30" UseAeroCaptionButtons="False"></WindowChrome>
     </WindowChrome.WindowChrome>
+    
     <!--模板-->
     <Window.Resources>
         <Style x:Key="RadioButtonStyle" TargetType="{x:Type RadioButton}">
@@ -91,8 +92,31 @@
                 </Setter.Value>
             </Setter>
         </Style>
+        <Style x:Key="Button_Menu" TargetType="{x:Type Button}">
+            <Setter Property="Width" Value="24" />
+            <Setter Property="Height" Value="24" />
+            <Setter Property="BorderThickness" Value="0" />
+            <Setter Property="Foreground" Value="Black"/>
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate TargetType="{x:Type Button}">
+                        <Border x:Name="MyBackgroundElement" BorderBrush="{x:Null}" BorderThickness="0">
+                            <ContentPresenter x:Name="ButtonContentPresenter" VerticalAlignment="Center" HorizontalAlignment="Center"/>
+                        </Border>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter TargetName="MyBackgroundElement" Property="Background" Value="#FFFFFFFF"/>
+                                <Setter TargetName="MyBackgroundElement" Property="Opacity" Value="0.7"/>
+                            </Trigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
+            <Setter Property="Cursor" Value="Hand" />
+        </Style>
     </Window.Resources>
     <Grid>
+        
         <!--工具栏-->
         <Rectangle HorizontalAlignment="Left" Width="140" Fill="#FFCCCCCC"/>
         
@@ -112,10 +136,8 @@
         
         <!--自定义标题栏-->
         <Border HorizontalAlignment="Stretch" Height="35" Margin="140,0,0,0" VerticalAlignment="Top" Background="#FFE6E6E6" />
-        <Button  Content="➖" HorizontalAlignment="Right" Height="35" Margin="0,0,0,0" VerticalAlignment="Top" Width="40" Click="Button_Click" Background="{x:Null}" BorderBrush="{x:Null}" Foreground="#FF100F0F" 
+        <Button Style="{StaticResource Button_Menu}" Content="➖" HorizontalAlignment="Right" Height="35" Margin="0,0,0,0" VerticalAlignment="Top" Width="45" Click="Button_Click" Background="{x:Null}" BorderBrush="{x:Null}" Foreground="#FF100F0F" 
-                 BorderThickness="0,0,0,0" FontSize="24" OpacityMask="#FFA4A4A4" WindowChrome.IsHitTestVisibleInChrome="True" VerticalContentAlignment="Center" Padding="0,0,0,0" FontWeight="Bold" FontStyle="Normal"/>
+                 BorderThickness="0,0,0,0" FontSize="24" OpacityMask="#FFA4A4A4" WindowChrome.IsHitTestVisibleInChrome="True" VerticalContentAlignment="Center" Padding="0,0,0,0" FontWeight="Bold" FontStyle="Normal" Cursor="Hand"/>
-        <Button Content="Button" HorizontalAlignment="Left" Height="190" Margin="185,155,0,0" VerticalAlignment="Top" Width="250"/>
-
         
         <!--用户窗体-->
         <Grid Grid.ColumnSpan="2">