That’s correct. It’s not part of the Write Pro object. Initially I tried to add an attribute to the WP object, but wasn’t successful. I’m a ‘baby programmer’ with objects so I don’t know whether its possible to add attributes to a Write Pro object. My limited efforts failed.
Tom > On Nov 12, 2019, at 14:29, Eric Naujock <[email protected]> wrote: > > Reading in deeper. The WP_Information is a session variable object that keeps > track of the WP Pro object is not the actual WP Pro object. Just asking to > clarify. > >> On Nov 12, 2019, at 5:20 PM, Tom Benedict <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi Eric, >> >> If I understand your question correctly, I think you’re looking for a >> “dirty” flag. As far as I know there is no built in function that track >> this, so you’ll need to create your own. >> >> Below are the three methods I use to track the state of a Write Pro object. >> It was inspired by help I received on forums.4d.fr <http://forums.4d.fr/>. >> >> — Create an object in the On Load event of a Write Pro object call: >> >> // Method: WP_InitInformation >> // ---------------------------------------------------- >> // User name (OS): Tom Benedict >> // Date and time: 9/5/2019, 10:28:45 >> // ---------------------------------------------------- >> // Description >> // bld277005 >> // >> >> C_OBJECT(WP_Information) >> >> If (OB Is defined(WP_Information)) // already exists >> WP_Information.IsNewDocument:=False >> Else >> WP_Information:=New object("IsNewDocument";False) >> End if >> >> If (OB Get type(WP_Information;"DocumentInfo")=Is undefined) // doesn't >> already exists >> WP_Information.DocumentInfo:=New >> object("FilePath";"";"Modification";False) >> Else >> // do nothing >> End if >> >> — Update the object whenever the Write Pro document is modified (like in the >> On Data Change event of a Write Pro object): >> >> // Method: WP_Information_SetModified([isModified]) >> // ---------------------------------------------------- >> // User name (OS): Tom Benedict >> // Date and time: 9/5/2019, 11:07:29 >> // ---------------------------------------------------- >> // Description >> // Set the Modification Property of WP_Information object >> // See WP_Information_Init >> // bld277005 >> // >> >> C_BOOLEAN($1) >> >> C_OBJECT(WP_Information) // this object is initialized in >> WP_Information_Init >> >> If (Count parameters>0) >> $isModified:=$1 >> Else >> $isModified:=True // default >> End if >> >> WP_Information.DocumentInfo.Modification:=$isModified >> >> — Test the state wherever/whenever you wish with: >> >> // Method: WP_Information_isModified -> isModified >> // ---------------------------------------------------- >> // User name (OS): Tom Benedict >> // Date and time: 9/5/2019, 11:07:29 >> // ---------------------------------------------------- >> // Description >> // Get the Modification Property of WP_Information object >> // See WP_Information_Init >> // bld277005 >> // >> >> C_OBJECT(WP_Information) >> C_BOOLEAN($0) >> >> $0:=(WP_Information.DocumentInfo.Modification=True) >> >> HTH, >> >> Tom Benedict >> >>> On Nov 12, 2019, at 14:07, Eric Naujock via 4D_Tech <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> I have a series of records and want to detect whether the 4D Write Pro >>> object has been changed since it was loaded. This way I can keep a version >>> archive of older versions of a document available. Is there an easy way I’m >>> not seeing to know if the Write pro object has been changed since it was >>> created or loaded. Right now I al creating a Write Pro object since 17R4 >>> had an issues with saving rite Pro objects to a record in a client-server >>> situation. Though I think it may have been fixed in R5 or R6. >>> >>> The Write pro object is created when the case is loaded as a free standing >>> object since the object odes not reside in the main record table. Its lives >>> in a large object table nearby since not all records have the Write Pro >>> object in it. >>> >>> Or is there a way to have an object change detecting in an event that would >>> tell me there was a change in the object and that it needs to have the old >>> object saved to the History table. >>> ***** >> > ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
