WPF中的菜单模板

资源字典代码如下：

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <!--Menu控件模板-->
    <ControlTemplate x:Key="mycontroltemplate" TargetType="{x:Type Menu}">
        <Border Margin="2"
                Background="Chocolate"
                CornerRadius="3"
                SnapsToDevicePixels="True">
            <ItemsPresenter/>
        </Border>
    </ControlTemplate>

    <!--MenuItem控件模板-->
    <ControlTemplate x:Key="mymenuitemtemplate"
                   TargetType="MenuItem">
        <Border Name="Border">
            <Grid>
                <ContentPresenter
          Margin="10"
          ContentSource="Header"
          RecognizesAccessKey="True"/>
                <Popup
                    AllowsTransparency="True"
          Name="Popup"
          Placement="Top"
          IsOpen="{TemplateBinding IsSubmenuOpen}"
          Focusable="False"
          PopupAnimation="Slide">
                    <Border
            CornerRadius="30"
            Name="SubmenuBorder"
            SnapsToDevicePixels="True">
                        <StackPanel
              IsItemsHost="True"
              KeyboardNavigation.DirectionalNavigation="Cycle" />
                        <Border.Background>
                            <DrawingBrush>
                                <DrawingBrush.Drawing>
                                    <GeometryDrawing Brush="YellowGreen">
                                        <GeometryDrawing.Geometry>
                                            <CombinedGeometry GeometryCombineMode="Exclude">
                                                <CombinedGeometry.Geometry1>
                                                    <EllipseGeometry RadiusX="20" RadiusY="20"/>
                                                </CombinedGeometry.Geometry1>
                                                <CombinedGeometry.Geometry2>
                                                    <EllipseGeometry RadiusX="10" RadiusY="10"/>
                                                </CombinedGeometry.Geometry2>
                                            </CombinedGeometry>
                                        </GeometryDrawing.Geometry>
                                    </GeometryDrawing>
                                </DrawingBrush.Drawing>
                            </DrawingBrush>
                        </Border.Background>
                   </Border>
                </Popup>
            </Grid>
        </Border>
        <!--可有可无________________________________________________________________________________-->
        <!--<ControlTemplate.Triggers>
            <Trigger Property="IsSuspendingPopupAnimation" Value="true">
                <Setter TargetName="Popup" Property="PopupAnimation" Value="None"/>
            </Trigger>
            <Trigger Property="IsHighlighted" Value="true">
                <Setter TargetName="Border" Property="Background"
                Value="Transparent"/>
                <Setter TargetName="Border" Property="BorderBrush"
                Value="Transparent"/>
            </Trigger>
            <Trigger SourceName="Popup" Property="Popup.AllowsTransparency" Value="True">
                <Setter TargetName="SubmenuBorder" Property="CornerRadius" Value="0,0,4,4"/>
                <Setter TargetName="SubmenuBorder" Property="Padding" Value="0,0,0,3"/>
            </Trigger>
            <Trigger Property="IsEnabled" Value="False">
                <Setter Property="Foreground" Value="Black"/>
            </Trigger>
        </ControlTemplate.Triggers>-->
        <!--可有可无________________________________________________________________________________-->
    </ControlTemplate>

</ResourceDictionary>

窗体XAML代码如下：

<Window x:Class="WPF中的菜单模板.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="300" Width="300">
    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="/MyDictionary/MyDictionary.xaml"/>
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>
    <DockPanel>
            <Menu DockPanel.Dock="Bottom"
                  Template="{StaticResource mycontroltemplate}">
                <MenuItem Header="开始">
                    <MenuItem Header="开始"></MenuItem>
                    <MenuItem Header="开始"></MenuItem>
                    <MenuItem Header="开始"></MenuItem>
                    <MenuItem Header="开始"></MenuItem>
                </MenuItem>
                <Menu.ItemContainerStyle>
                    <Style TargetType="{x:Type MenuItem}">
                        <Setter Property="Template" Value="{StaticResource mymenuitemtemplate}"/>
                    </Style>
                </Menu.ItemContainerStyle>
            </Menu>
        <Popup></Popup>
    </DockPanel>
</Window>