of_canundo

pfcapsrv.pbl   >   pfc_n_cst_tvsrv_levelsource   >   of_canundo

public function boolean of_canundo (ref string as_undotype);//////////////////////////////////////////////////////////////////////////////
//
//	Function:	of_CanUndo
//
//	Access:		Public
//
//	Arguments:	
//	as_undotype		The type of undo we are performing.  Passed by reference
//
//	Returns:		Boolean
//					true = we can undo the last edit/insert/delete
//					false = cannot undo the last edit/insert/delete
//
//	Description:
//	Returns if undo can be performed and the type of undo that can be performed
//
//////////////////////////////////////////////////////////////////////////////
//
//	Revision History
//
//	Version
//	6.0   Initial version
//
//////////////////////////////////////////////////////////////////////////////
//
//	Copyright © 1996-1997 Sybase, Inc. and its subsidiaries.  All rights reserved.
//	Any distribution of the PowerBuilder Foundation Classes (PFC)
//	source code by other than Sybase, Inc. and its subsidiaries is prohibited.
//
//////////////////////////////////////////////////////////////////////////////

// initialize the undo type
as_undotype = ""

// if undo not on then we cannot undo
If Not ib_undo Then
	Return FALSE
End If

// Validate arguments
CHOOSE CASE is_undotype
	CASE UNDO_EDIT, UNDO_INSERT, UNDO_DELETE
		// Good style.
		as_undotype = is_undotype
		Return TRUE
END CHOOSE

Return FALSE

end function

Name	Owner
pfc_n_cst_tvsrv_levelsource.of_canundo	pfc_n_cst_tvsrv_levelsource
pfc_u_tvs.of_canundo	pfc_u_tvs
pfc_n_cst_tvsrv_levelsource.pfc_undo	pfc_n_cst_tvsrv_levelsource