C# menuStrip 配置

双击事件(隐藏功能)

        private void menuStrip1_DoubleClick(object sender, EventArgs e)
        {
            if (toolStripMenuItem20.Visible == true)
            {
                toolStripMenuItem20.Visible = false;
                return;
            }
            if (toolStripMenuItem20.Visible == false)
            {
                toolStripMenuItem20.Visible = true;
                return;
            }
        }