单击 winforms 时不要关闭 ToolStripMenu [英] Do not close ToolStripMenu on clicking in winforms

问题描述

我正在处理一个 c# winform 项目，在用户单击其项目后，主工具条菜单不必隐藏，我该怎么做?

I work on a c# winform project that the main toolstripmenu have not to be hide after user clicks on its item, how can I do that?

推荐答案

设置父菜单项的 AutoClose 属性以防止菜单条关闭.

Set the AutoClose property of the parent menu item to prevent the menu strip from closing.

演示:

ToolStripMenuItem file = new ToolStripMenuItem("File");
file.DropDown.AutoClose = false;
file.DropDownItems.Add("New");
file.DropDownItems.Add("Open");
file.DropDownItems.Add("Exit");

MenuStrip ms = new MenuStrip();
ms.Items.Add(file);

this.Controls.Add(ms);

现在您有责任自己关闭菜单:

Now the responsibility is on you to close the menu yourself:

file.DropDown.Close();

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