c# dev CustomDrawColumnHeader 绘制checkbox

private void gridViewMX_CustomDrawColumnHeader(object sender, DevExpress.XtraGrid.Views.Grid.ColumnHeaderCustomDrawEventArgs e)
{
　　DevExpress.XtraGrid.Views.Grid.GridView _view = sender as DevExpress.XtraGrid.Views.Grid.GridView;
　　_view.DrawHeaderCheckBox(CheckXZ, 0, strXZField, e);
}

 

主要是绘制多选框 默认加载多选框