Function SRP_EDITOR_TEMP_RTI_BRW_SAMPLEDATASOURCE_SYSPROG(ACTION, PARAM1, PARAM2, PARAM3)

If Assigned(ACTION) Else ACTION = ""
If Assigned(PARAM1) Else PARAM1 = ""
If Assigned(PARAM2) Else PARAM2 = ""
If Assigned(PARAM3) Else PARAM3 = ""

RSLT = ""
Begin Case
	Case ACTION _EQC "FIELDS"
		* return:
		* <1> Field Name]
		* <2> Field #]
		* <3> conv code]
		* <4> MVFlag (0/1)]
		* <6> Association]
		RSLT<1> = "ID":@vm:"F1":@VM:"F2":@VM:"F3"
		RSLT<2> = "0":@VM:"1":@VM:"2":@VM:"3"
		RSLT<3,4> = "D4/"

	Case action _eqc "DATATYPE"
		whichField = param1
		If WHICHFIELD = "F3" Then
			RSLT = "DATE"
		End Else
			RSLT = "VARCHAR"
		END

	Case ACTION _EQC "KEYS"
		* return:
		* <1-n> key
		selstmt = param1
		RSLT = "A":@FM:"B":@FM:"C":@FM:"D":@FM:"E"
		
	Case ACTION _EQC "READ"
		id = param1
		RSLT = "THIS IS RECORD ":ID:@FM:"HELLO F2":@FM:DATE()
		
	Case ACTION _EQC "WRITE"
		id = param2
		rec = param3
	
	Case ACTION _EQC "DELETE"
		id = param1
		
End Case

Return RSLT