Menu菜单，在软件中使用率很高的一个控件。包含具有层级关系的一个或多个MenuItem作为子菜单。

今天就来分享一个定义的菜单样式。

看一下效果图：

下面就来看看代码：

本次代码，全部都在MainWindow.xaml内：

<Window x:Class="wpfcore.MainWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:wpfcore" xmlns:controls="http://metro.mahapps.com/winfx/xaml/controls"mc:Ignorable="d"Background="#2D2D30"UseLayoutRounding="True"Title="MainWindow" Width="820" Height="340"><Window.Resources><Style x:Key="sep" TargetType="{x:Type Separator}"><Setter Property="Margin" Value="0,3" /><Setter Property="Template"><Setter.Value><ControlTemplate TargetType="{x:Type Separator}"><Border Height="1" BorderThickness="1" BorderBrush="#999999" /></ControlTemplate></Setter.Value></Setter>
</Style><Style TargetType="{x:Type MenuItem}"><Setter Property="Foreground" Value="{Binding Path=Foreground, RelativeSource={RelativeSource AncestorType={x:Type Menu}}}"/><Setter Property="Template"><Setter.Value><ControlTemplate TargetType="{x:Type MenuItem}"><Border x:Name="Border"  Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="1"><Grid><Grid.ColumnDefinitions><ColumnDefinition x:Name="ColIcon" Width="Auto" SharedSizeGroup="MenuItemIconColumnGroup"/><ColumnDefinition Width="Auto" SharedSizeGroup="MenuTextColumnGroup"/><ColumnDefinition Width="Auto" SharedSizeGroup="MenuItemIGTColumnGroup"/><ColumnDefinition x:Name="ColNext" Width="auto"/></Grid.ColumnDefinitions><ContentPresenter Grid.Column="0"Margin="5 0"x:Name="Icon"VerticalAlignment="Center" ContentSource="Icon"/><Grid Grid.Column="0" Visibility="Hidden" Margin="5 0" x:Name="GlyphPanel"VerticalAlignment="Center"><Viewbox VerticalAlignment="Center" FlowDirection="LeftToRight" Width="18" Height="18"><Path Fill="{TemplateBinding Foreground}" Data="M422.36247 839.786465c-13.320377 13.421684-34.909068 13.421684-48.126091 0l-10.69355-10.800997 0 0-11.398608-11.502985-50.145074-50.544163c-0.097214-0.201591 0-0.500397-0.201591-0.604774L72.380494 533.085224c-13.320377-13.421684-13.320377-35.218106 0-48.535413l72.132854-72.842005c13.319353-13.408381 34.907021-13.408381 48.224328 0l205.814506 209.252815L831.363631 184.208419c13.218046-13.414521 34.806737-13.414521 48.124044 0l72.134901 72.842005c13.317307 13.408381 13.317307 35.113729 0 48.52211L422.36247 839.786465 422.36247 839.786465z"/></Viewbox></Grid><ContentPresenter Grid.Column="1"Margin="{TemplateBinding Padding}"x:Name="HeaderHost"VerticalAlignment="Center"RecognizesAccessKey="True"ContentSource="Header"/><ContentPresenter Grid.Column="2"Margin="8 0"x:Name="IGTHost"ContentSource="InputGestureText"VerticalAlignment="Center"/><Grid Grid.Column="3" Margin="5 0" x:Name="ArrowPanel" VerticalAlignment="Center"><Path x:Name="ArrowPanelPath" HorizontalAlignment="Right" VerticalAlignment="Center" Fill="{TemplateBinding Foreground}" Data="M0,0 L0,8 L4,4 z"/></Grid><Popup IsOpen="{Binding Path=IsSubmenuOpen, RelativeSource={RelativeSource TemplatedParent}}"Placement="Right" x:Name="SubMenuPopup" Focusable="false"><Border x:Name="SubMenuBorder" BorderBrush="#999999" BorderThickness="1" Padding="2,2,2,2"><Grid x:Name="SubMenu" Grid.IsSharedSizeScope="True"><StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Cycle"/></Grid></Border></Popup></Grid></Border><ControlTemplate.Triggers><Trigger Property="Role" Value="TopLevelHeader"><Setter Property="Padding" Value="6 1"/><Setter Property="Background" Value="Transparent"/><Setter Property="Placement" Value="Bottom" TargetName="SubMenuPopup"/><Setter Property="MinWidth" Value="0" TargetName="ColIcon"/><Setter Property="Width" Value="Auto" TargetName="ColNext"/><Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/><Setter Property="Visibility" Value="Collapsed" TargetName="GlyphPanel"/><Setter Property="Visibility" Value="Collapsed" TargetName="IGTHost"/><Setter Property="Visibility" Value="Collapsed" TargetName="ArrowPanel"/></Trigger><Trigger Property="IsHighlighted" Value="true"><Setter Property="Background" Value="Green" TargetName="Border"/></Trigger><MultiTrigger><MultiTrigger.Conditions><Condition Property="IsHighlighted" Value="True"/><Condition Property="Role" Value="TopLevelHeader"/></MultiTrigger.Conditions><MultiTrigger.Setters><Setter Property="Background" Value="Green" TargetName="Border"/></MultiTrigger.Setters></MultiTrigger><Trigger Property="Role" Value="TopLevelItem"><Setter Property="Padding" Value="6 1"/><Setter Property="Visibility" Value="Collapsed" TargetName="ArrowPanel"/></Trigger><Trigger Property="Role" Value="SubmenuHeader"><Setter Property="Padding" Value="5 2"/></Trigger><Trigger Property="Role" Value="SubmenuItem"><Setter Property="Padding" Value="5 2"/><Setter Property="Visibility" Value="Collapsed" TargetName="ArrowPanel"/></Trigger><Trigger Property="Icon" Value="{x:Null}"><Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/></Trigger><Trigger Property="IsChecked" Value="true"><Setter Property="Visibility" Value="Visible" TargetName="GlyphPanel"/><Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/></Trigger><Trigger Property="IsEnabled" Value="false"><Setter Property="Foreground" Value="LightGray"/></Trigger></ControlTemplate.Triggers></ControlTemplate></Setter.Value></Setter>
</Style><Image x:Key="icon" x:Shared="False"  Width="22" Height="22" Source="/icon.jpg" /></Window.Resources><Grid><Menu HorizontalAlignment="Left" VerticalAlignment="Top"FontSize="16" Foreground="#F6F6F6" Background="Transparent"><MenuItem  Header="文件(F)"><MenuItem Header="新建(N)"><MenuItem Header="项目(P)..." InputGestureText="Ctrl+Shift+N"/><MenuItem Header="存储库(R)..."/><MenuItem Header="文件(F)..." InputGestureText="Ctrl+N"/><MenuItem Header="从现有代码创建项目(E)..."/></MenuItem><MenuItem Header="打开(O)"/><MenuItem Header="克隆存储库(E)..." Icon="{StaticResource icon}"/><MenuItem Header="启动窗口(W)" Icon="{StaticResource icon}"/><Separator Style="{StaticResource sep}"/><MenuItem Header="添加(D)"/><MenuItem Header="关闭(C)"/><MenuItem Header="关闭解决方案(T)"/><Separator Style="{StaticResource sep}"/><MenuItem Header="退出(X)" InputGestureText="Alt+F4"/></MenuItem><MenuItem  Header="文件(F)"><MenuItem Header="新建(N)"><MenuItem Header="项目(P)..." InputGestureText="Ctrl+Shift+N"/><MenuItem Header="存储库(R)..."/><MenuItem Header="文件(F)..." InputGestureText="Ctrl+N"/><MenuItem Header="从现有代码创建项目(E)..."/></MenuItem><MenuItem Header="打开(O)"/><MenuItem Header="克隆存储库(E)..." Icon="{StaticResource icon}"/><MenuItem Header="启动窗口(W)" Icon="{StaticResource icon}"/><Separator Style="{StaticResource sep}"/><MenuItem Header="添加(D)"/><MenuItem Header="关闭(C)"/><MenuItem Header="关闭解决方案(T)"/><Separator Style="{StaticResource sep}"/><MenuItem Header="退出(X)" InputGestureText="Alt+F4"/></MenuItem><MenuItem  Header="文件(F)"><MenuItem Header="新建(N)"><MenuItem Header="项目(P)..." InputGestureText="Ctrl+Shift+N"/><MenuItem Header="存储库(R)..."/><MenuItem Header="文件(F)..." InputGestureText="Ctrl+N"/><MenuItem Header="从现有代码创建项目(E)..."/></MenuItem><MenuItem Header="打开(O)"/><MenuItem Header="克隆存储库(E)..." Icon="{StaticResource icon}"/><MenuItem Header="启动窗口(W)" Icon="{StaticResource icon}"/><Separator Style="{StaticResource sep}"/><MenuItem Header="添加(D)"/><MenuItem Header="关闭(C)"/><MenuItem Header="关闭解决方案(T)"/><Separator Style="{StaticResource sep}"/><MenuItem Header="退出(X)" InputGestureText="Alt+F4"/></MenuItem></Menu></Grid>
</Window>

ok,以上代码直接CV就能用喽。。。

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