GroupedColumnsChanging Field

Event which is fired when the grouped columns collection is about to change. This event is fired even when the OK button is clicked from the modal dialog (after the modalDialogButtonApplyClick event is fired). Use args.owner in order to access the groupby widget object. Use args.owner.grid to access the grid widget option. Use args.groupedColumns to get a reference to the current groupedColumns. Use args.newGroupedColumns to get an object of the new grouped columns that should be applied (it is set ONLY if called from modal dialog). Use args.key to get a reference to the current column's key that's being grouped (not set if called from modal dialog). Use args.layout to get a reference to the current layout object, if any (not set if called from modal dialog). Use args.grid to get a reference to the current child grid element, in case it's an hierarchical grid (not set if called from modal dialog).

'Declaration
 
Public Const GroupedColumnsChanging As System.String

public const System.string GroupedColumnsChanging