C#上下文菜单 右键菜单 ContextMenuStrip用法及实例
本文导语: 设置窗体的ContextMenuStrip属性或直接在按钮单击事件里调出右键菜单。 演示效果图如下： 代码如下： 代码示例: private void button_Click(object sender, EventArgs e) { Button btn = sender as Button; btn.FlatAppearance.BorderSize = 0; ...
设置窗体的ContextMenuStrip属性或直接在按钮单击事件里调出右键菜单。
演示效果图如下：
代码如下：
private void button_Click(object sender, EventArgs e)
{
Button btn = sender as Button;
btn.FlatAppearance.BorderSize = 0;
Point point = new Point(btn.Left + this.Left + 5, btn.Top + this.Top + 40);
contextMenuStrip.Show(point);
}
///
/// 绑定右键菜单
///
private void BindMenu()
{
ToolStripMenuItem menu0 = GetMenuItem("一级1", imageList1.Images[0]);
ToolStripMenuItem menu01 = GetMenuItem("二级11", imageList1.Images[1]);
menu01.Click += new EventHandler(toolStripMenuItem_Click);//添加事件
ToolStripMenuItem menu02 = GetMenuItem("二级12", imageList1.Images[2]);
menu0.DropDownItems.Add(menu01);
menu0.DropDownItems.Add(menu02);
cMenu.Items.Add(menu0);
ToolStripMenuItem menu1 = GetMenuItem("一级2", imageList1.Images[0]);
ToolStripMenuItem menu11 = GetMenuItem("二级21", imageList1.Images[1]);
ToolStripMenuItem menu12 = GetMenuItem("二级22", imageList1.Images[2]);
menu1.DropDownItems.Add(menu11);
menu1.DropDownItems.Add(menu12);
cMenu.Items.Add(menu1);
}
///
/// 菜单项事件响应
/// www.
///
///
private void toolStripMenuItem_Click(object sender, EventArgs e)
{
ToolStripMenuItem menu = sender as ToolStripMenuItem;
MessageBox.Show(menu.Text);
}
///
/// 生成菜单项
///
///
///
///
private ToolStripMenuItem GetMenuItem(string txt,Image img)
{
ToolStripMenuItem menuItem = new ToolStripMenuItem();
menuItem.Text = txt;
menuItem.Image = img;
return menuItem;
}
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