C#彈出ContextMenuStrip菜單時禁用某些選項

C#彈出ContextMenuStrip菜單時禁用某些選項

//菜單彈出前根據條件禁用某些菜單
private void CmsRoomRightBtn_Opening(object sender, CancelEventArgs e)
{
    UCRoomInfo.RoomInfo room = (UCRoomInfo.RoomInfo)cmsRoomRightBtn.SourceControl;		//獲取與ContextMenuStrip關聯的控件，如 button  （此處是我本人的自定義控件）
    //禁用某些菜單
    鎖定ToolStripMenuItem.Enabled = false;
}