为什么不能弹出下一级菜单 [英] why can't popup nextlevel menu

问题描述

<window>
<grid>
  <button name="btn" content="click me" click="btn_click">
  <popup name="popup1" placementtarget="{binding elementName= btn}" placement="bottom" >
    <stackpanel>

      <menuitem header="File">
        <menuitem header="Open" />
        <menuitem header="Save" />
      </menuitem>

      <menuitem header="Edit" />
      <menuitem header="View" />
      <menuitem header="window" />

    </stackpanel>
  <popup>


</grid>
</window>

.cs code

private void btn_click(object sender ,...... e)
{
  popup1.IsPopup = true;
}

我有一个问题，希望得到您的帮助！

我的问题是，当鼠标悬停在菜单文件文件"上时，为什么不能显示菜单项打开"和保存"
如何显示项目

I have a question, hope to get your help please!

my question is why can''t show menuitem "open" and "save" when mouse is over the menuitem "file"
how to show items

推荐答案

MenuItem必须显示在菜单中...

MenuItems need to be presented in a Menu...

<popup name="popup1" placementtarget="{binding elementName= btn}" placement="bottom">
    <menu>
 
      <menuitem header="File">
        <menuitem header="Open" />
        <menuitem header="Save" />
      </menuitem>
 
      <menuitem header="Edit" />
      <menuitem header="View" />
      <menuitem header="window" />
 
    </menu>
  <popup>
</popup></popup>

这篇关于为什么不能弹出下一级菜单的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！