C#中怎样在ToolStripMenuItem下再添加子级菜单
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2022-06-22 12:13:50
场景 在右键菜单ContextMenuStrip下添加子菜单选项可以通过 ContextMenuStrip menuStrip ToolStripMenuItem mnuChartOption = new ToolStripMenuItem(); //新建菜单项对象 mnuChartOption.N ......
场景
在右键菜单contextmenustrip下添加子菜单选项可以通过
contextmenustrip menustrip toolstripmenuitem mnuchartoption = new toolstripmenuitem(); //新建菜单项对象 mnuchartoption.name = "chart_option"; mnuchartoption.text = "图形选项"; //点击弹出图形选项对话框 mnuchartoption.click += delegate(object sender, eventargs e) { }; menustrip.items.add(mnuchartoption);
来实现。但是如果在右键菜单的子菜单选项下再添加子菜单选项,形成二级子菜单。
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实现
toolstripmenuitem 的子级菜单仍然是toolstripmenuitem ,主要通过dropdownitems属性来构建关联关系。
构建右键二级子菜单示例代码
toolstripmenuitem mnudirectprint = new toolstripmenuitem("直接打印"); mnudirectprint.name = "directprint"; mnudirectprint.text = "直接打印"; mnudirectprint.click += delegate(object sender, eventargs e) { control.doprint(); }; toolstripmenuitem mnuprintpageset = new toolstripmenuitem("打印页面设置"); mnuprintpageset.name = "printpageset"; mnuprintpageset.text = "打印页面设置"; mnuprintpageset.click += delegate(object sender, eventargs e) { control.dopagesetup(); }; toolstripmenuitem mnuprint = new toolstripmenuitem(); mnuprint.name = "mnuprint"; mnuprint.text = "打印"; mnuprint.dropdownitems.add(mnudirectprint); mnuprint.dropdownitems.add(mnuprintpageset); menustrip.items.add(mnuprint);
效果