菜单在WPF中无法正常工作 [英] Menu is not working properly in WPF
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问题描述
<Menu Height="30" Name="menu1" VerticalAlignment="Top" BorderThickness="2"
Foreground="White" FontSize="16" FontWeight="Bold" Margin="-2,-2,0,0" Grid.RowSpan="2" Grid.ColumnSpan="66">
<Menu.Background>
<LinearGradientBrush EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#FF3A60AD" Offset="0.528"/>
<GradientStop Color="#FF6A85D8" Offset="0.01"/>
<GradientStop Color="#FF3464C4" Offset="1"/>
<GradientStop Color="#FF202E7E" Offset="1"/>
</LinearGradientBrush>
</Menu.Background>
<Menu.BitmapEffect>
<DropShadowBitmapEffect />
</Menu.BitmapEffect>
<MenuItem Header="File" IsCheckable="True" Click="MenuItem_Click">
<MenuItem Header="Open" IsCheckable="true">
<MenuItem.ToolTip>
<ToolTip>
Open a file.
</ToolTip>
</MenuItem.ToolTip>
</MenuItem>
<MenuItem Header="_Close" IsCheckable="true"/>
<MenuItem Header="_Save" IsCheckable="true"/>
<Separator/>
<MenuItem Header="Sub Items">
<MenuItem Header="Child1 SubItem" IsCheckable="true"/>
<MenuItem Header="Child2 SubItem" IsCheckable="true">
<MenuItem Header="GrandChild2 SubItem" IsCheckable="true"/>
</MenuItem>
</MenuItem>
</MenuItem>
<MenuItem Header="Settings" IsCheckable="true" Foreground="Orange" FontSize="16" >
</MenuItem>
<MenuItem Header="Security" IsCheckable="true" Foreground="White" FontSize="16">
</MenuItem>
<MenuItem Header="Database" IsCheckable="true" Foreground="LightGreen" FontSize="16">
</MenuItem>
</Menu>
该代码无法正常工作.即,当我单击菜单工具(或任何其他菜单项)时,它只是被选中而没有显示任何子菜单.请有人帮我
在此先感谢
the code do not work as it expected. ie when I click the menu Tools (or any other menu item)it is only getting checked it do not show any submenu. please somebody help me
thanks in advance
推荐答案
问题出在IsCheckable="true"
中.如果需要子项,请删除此属性.菜单项可以用作带有可见子项或可检查项的ItemsConrol
,不能同时出现.如果您考虑一下,您会发现两者都没有意义.
—SA
The problem is inIsCheckable="true"
. Remove this attribute if you need child items. A menu item can ether act as aItemsConrol
with visible children or checkable, not both at the same time. If you think about it you will see that doing both things makes no sense.
—SA
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