1.菜单栏:使用<Menu>标签创建,<MenuItem>创建一级和二级菜单项
<Menu DockPanel.Dock="Top" HorizontalAlignment="Left" Background="White" BorderBrush="Black" ><Menu
1.菜单栏:使用<Menu>标签创建,<MenuItem>创建一级和二级菜单项
<Menu DockPanel.Dock="Top" HorizontalAlignment="Left" Background="White" BorderBrush="Black" ><Menu