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在WPF（Windows Presentation Foundation）中，Menu控件用于创建下拉菜单或上下文菜单，它提供了丰富的定制选项来满足不同的应用需求。下面将介绍如何在WPF应用程序中使用Menu控件，包括基本用法、添加菜单项、设置快捷键以及样式定制。

• Menu：定义菜单
• MenuItem: 定义菜单项

布局：

<Window x:Class="WpfBaseDemo.WindowMenuDemo"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:WpfBaseDemo"mc:Ignorable="d"Title="WindowMenuDemo" Height="450" Width="800"><Grid><!-- 背景图 --><Grid.Background><LinearGradientBrush><LinearGradientBrush.GradientStops><GradientStop Offset="0.00" Color="Red"/><GradientStop Offset="0.50" Color="LightYellow"/><GradientStop Offset="1.00" Color="Blue"/></LinearGradientBrush.GradientStops></LinearGradientBrush></Grid.Background><StackPanel><Menu><!-- 文件菜单 --><MenuItem Header="_File"><MenuItem Header="_New" Click="MenuItemFileNew_Click"><MenuItem.Icon><Image Source="Images/filenew.png"/></MenuItem.Icon></MenuItem><MenuItem Header="_Open" Click="MenuItemFileOpen_Click"><MenuItem.Icon><Image Source="Images/fileopen.png"/></MenuItem.Icon></MenuItem><MenuItem Header="_Save" Click="MenuItemFileSave_Click"><MenuItem.Icon><Image Source="Images/filesave.png"/></MenuItem.Icon></MenuItem></MenuItem><!-- 编辑菜单 --><MenuItem Header="_Edit"><MenuItem Header="_Redo"><MenuItem.Icon><Image Source="Images/edit-redo.png"/></MenuItem.Icon></MenuItem><MenuItem Header="_Undo"><MenuItem.Icon><Image Source="Images/edit-undo.png"/></MenuItem.Icon></MenuItem><!-- 分割线 --><Separator Background="Red"/><MenuItem Header="_Copy"><MenuItem.Icon><Image Source="Images/editcopy.png"/></MenuItem.Icon></MenuItem><MenuItem Header="_Paste"><MenuItem.Icon><Image Source="Images/editpaste.png"/></MenuItem.Icon></MenuItem><MenuItem Header="_Cut"><MenuItem.Icon><Image Source="Images/editcut.png"/></MenuItem.Icon></MenuItem><MenuItem Header="_Delete"><MenuItem.Icon><Image Source="Images/editdelete.png"/></MenuItem.Icon></MenuItem><!-- 分割线 --><Separator Height="1" Background="DarkCyan"/><MenuItem Header="_Find"><MenuItem.Icon><Image Source="Images/find.png"/></MenuItem.Icon><!-- 子菜单项 --><MenuItem Header="_Kfind"><MenuItem.Icon><Image Source="Images/kfind.png"/></MenuItem.Icon></MenuItem><MenuItem Header="_Rfind"><MenuItem.Icon><Image Source="Images/edit-find-replace.png"/></MenuItem.Icon></MenuItem></MenuItem></MenuItem><!-- 无图标 菜单 --><MenuItem Header="_Folder"><MenuItem Header="_New Folder"/><MenuItem Header="_Open Folder"/><MenuItem Header="_Close Folder"/></MenuItem></Menu><StackPanel Orientation="Vertical"><StackPanel ><Image Width="300" Height="200" Source="Images/Linux-logo.png" /></StackPanel><StackPanel ><Image Width="300" Height="200" Source="Images/Linux-logo.png" Stretch="Fill" /></StackPanel></StackPanel></StackPanel></Grid>
</Window>

代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace WpfBaseDemo
{/// <summary>/// WindowMenuDemo.xaml 的交互逻辑/// </summary>public partial class WindowMenuDemo : Window{public WindowMenuDemo(){InitializeComponent();}private void MenuItemFileNew_Click(object sender, RoutedEventArgs e){MessageBox.Show("File New.");}private void MenuItemFileOpen_Click(object sender, RoutedEventArgs e){MessageBox.Show("File Open.");}private void MenuItemFileSave_Click(object sender, RoutedEventArgs e){MessageBox.Show("File Save.");}}
}

效果