C＃高低文菜单（右键菜单）ContextMenuStrip用法总结

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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）;

}

/// <summary>

/// 绑定右键菜单

/// </summary>

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）;//添加事务

    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）;

}

/// <summary>

/// 菜单项事务响应

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void toolStripMenuItem_Click（object sender， EventArgs e）

{

    ToolStripMenuItem menu = sender as ToolStripMenuItem;

    MessageBox.Show（menu.Text）;

}

/// <summary>

/// 生成菜单项

/// </summary>

/// <param name="txt"></param>

/// <param name="img"></param>

/// <returns></returns>

private ToolStripMenuItem GetMenuItem（string txt，Image img）

{

    ToolStripMenuItem menuItem = new ToolStripMenuItem（）;

    menuItem.Text = txt;

    menuItem.Image = img;

    return menuItem;

}