DevExpress.XtraGrid.view.gridview 说明文
（一）双击展开，收缩字表Private Sub ExpandedChild(ByVal sender As DevExpress.XtraGrid.Views.Grid.GridView)'找出焦点行Dim VIntPage As Integer = sender.FocusedRowHandleIf sender.GetMasterRowExpanded(VIntPage) Thensender.CollapseMasterRow(VIntPage)Elsesender.ExpandMasterRow(VIntPage)End IfEnd Sub（二）单击选中某行的checkboxP
