If e.HitType = HitTypeEnum.empty Then MessageBox.Show(e.Table.name, "提示") Select e.Table.name Case "零件总表" ContextMenus("Empty").items("ADD").Enabled=False e.ContextMenu = ContextMenus("Empty") Case "零件明细表" ContextMenus("Empty").items("ADD").Enabled=True e.ContextMenu = ContextMenus("Empty") Case Else e.Cancel = True End Select End If