of_updateprep

pfcmain.pbl   >   pfc_w_master   >   of_updateprep

Name	Datatype
lpo_empty	powerobject[]
lpo_pending	powerobject[]
lpo_updatearray	powerobject[]

public function integer of_updateprep ();//////////////////////////////////////////////////////////////////////////////
//
//	Function:
//	of_UpdatePrep
//
//	Access:  		public
//
//	Arguments:  none
//
//	Returns:  integer
//	 1 = All preparation passed
//	 0 = No Action
//	-1 = preparation failed
//
//	Description:
//	Perform an Update Preparation.
//
// Note:
//	Specific updateprep logic should be coded in descendant pfc_updateprep event.
//	Part of the SelfUpdatingObject(SUO) API.
//	No Action will be executed, If the object is not Updateable.
//
//////////////////////////////////////////////////////////////////////////////
//	
//	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.
//
//////////////////////////////////////////////////////////////////////////////

powerobject lpo_updatearray[]
powerobject lpo_pending[]
powerobject lpo_empty[]

// Make sure there is something to take action on.
If Not of_IsUpdateable() Then Return NO_ACTION

If UpperBound(ipo_pendingupdates) > 0 Then
	// Should be part of a SUO unit.
	lpo_pending = ipo_pendingupdates
Else
	// Might not be part of an SUO unit.  Need to know what objects had updatespending. 
	If UpperBound(ipo_updateobjects) > 0 Then
		lpo_updatearray = ipo_updateobjects
	Else
		lpo_updatearray = This.Control		
	End If
	If this.Event pfc_UpdatesPendingRef(lpo_updatearray, lpo_pending) < 0 Then
		Return -1
	End If
End If

Return this.Event pfc_updateprep(lpo_pending)
end function

Name	Owner
systemfunctions.upperbound	systemfunctions
pfc_w_master.of_isupdateable	pfc_w_master
pfc_w_master.pfc_updateprep	pfc_w_master
pfc_w_master.pfc_updatespendingref	pfc_w_master