C＃ - 转换的MenuStrip代码的ToolStrip

问题描述

我试图将其转换最初是为一个MenuStrip中的东西，将与ToolStrip的工作代码。总之，一个菜单项将被传递给init（）和我需要确定父是有问题的菜单项的内容。这个片断工作正常使用的MenuStrip，但我似乎无法得到它用的ToolStrip如果母公司是ToolStripDropDownButton工作。

I am trying to convert code that was originally meant for a MenuStrip to something that will work with a ToolStrip. In short, a MenuItem is passed on to Init() and I need to determine what the parent is of the menu item in question. This snippet works fine with a MenuStrip, but I can't seem to get it working with a ToolStrip where the parent is a ToolStripDropDownButton.

原始代码段（理想的MenuStrip ）：

Original Code Snippet (Ideal for MenuStrip):

private MenuItem menuItemMRU;
private MenuItem menuItemParent;

public void Init(MenuItem mruItem)
{
    menuItemMRU = mruItem;
    menuItemParent = (MenuItem) menuItemMRU.Parent;
}

这是我有这么远

private ToolSTripMenuItem menuItemMRU;
private ToolStripDropDownButton menuItemParent;

public void Init(ToolStripMenuItem mruItem)
{
    menuItemMRU = mruItem;
    menuItemParent = (ToolStripMenuItem)menuItemMRU.Owner;
}

这使我有以下错误：

无法将类型'System.Windows.Forms.ToolStrip'到'System.Windows.Forms.ToolStripMenuItem

Cannot convert type 'System.Windows.Forms.ToolStrip' to 'System.Windows.Forms.ToolStripMenuItem'

推荐答案

的的ToolStripItem 但是确实有一个 OwnerItem 属性。请参见

The ToolStripItem does however have an OwnerItem property. See msdn

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