This is a form example to demonstrate how to use the tracing methods in your RDML code. It uses a trace handler defined from the sample supplied in 7.2 Example Trace Handler. To trace and ensure output is produced create a file TracingOn.txt in the LANSA system folder.
Function Options(*DIRECT)
Begin_Com Role(*EXTENDS #PRIM_FORM) Caption('Doubleclick an item to test the tracing') Clientheight(322) Clientwidth(626) Height(358) Left(213) Top(160) Width(642)
Define_Com Class(#PRIM_LTVW) Name(#List) Componentversion(2) Displayposition(1) Fullrowselect(True) Height(249) Keyboardpositioning(SortColumn) Left(0) Parent(#COM_OWNER) Showsortarrow(True) Tabposition(1) Top(0) Width(625) Define_Com Class(#PRIM_LVCL) Name(#LVCL_3) Displayposition(1) Parent(#List) Source(#EMPNO)
Define_Com Class(#PRIM_LVCL) Name(#LVCL_4) Displayposition(2) Parent(#List) Source(#GIVENAME) Width(36)
Define_Com Class(#PRIM_LVCL) Name(#LVCL_5) Displayposition(3) Parent(#List) Source(#SURNAME) Width(41)
Define_Com Class(#PRIM_RDBN) Name(#TraceMessageData) Buttonchecked(True) Caption('Use TraceMessageData') Displayposition(2) Left(8) Parent(#COM_OWNER) Tabposition(2) Top(254) Width(153)
Define_Com Class(#PRIM_RDBN) Name(#TraceMessageText) Caption('Use TraceMessageText') Displayposition(3) Left(8) Parent(#COM_OWNER) Tabposition(3) Top(286) Width(153)
Define_Com Class(#Tracing) Name(#TraceHandler)
Evtroutine Handling(#com_owner.CreateInstance)
Set Com(#com_owner) Caption(*component_desc)
Clr_List Named(#List)
Select Fields(#List) From_File(Pslmst)
Add_Entry To_List(#List)
Endselect
Endroutine
Evtroutine Handling(#List.DoubleClick)
If (#TraceMessageData.ButtonChecked)
#sys_appln.TraceMessageData( "Employee &1 Name &2 &3" #Empno #Givename #Surname )
Else
#sys_appln.TraceMessageText( #Empno #Givename #Surname )
Endif
Endroutine
End_Com