>>I can't reproduce this error with just base classes so what is your RightClick doing?
>
>The minute I Right-Click the Valid event fires up with my SET STEP command, then when I step through, the SelStart property resets, so the RightClick is doing nothing!
>
>Kev
Sorry I'm not being much help, I can only think that it has something to do with the framework as my version doesn't produce an error.

DEFINE CLASS form1 AS form

	DoCreate = .T.
	AutoCenter = .T.
	Caption = "Form1"
	Name = "Form1"


	ADD OBJECT text1 AS textbox WITH ;
		Alignment = 3, ;
		ControlSource = "address.corganisation", ;
		Height = 23, ;
		Left = 36, ;
		Top = 24, ;
		Width = 144, ;
		Name = "Text1"


	PROCEDURE Init
		If !Seek(1, "Address", "ID")
			Return .F.
		EndIf
	ENDPROC


	PROCEDURE selectvalues
		Lparameters loControl

		Wait window "SelStart is "+Transform(loControl.SelStart)+" SelLength is "+Transform(loControl.SelLength)
	ENDPROC


	PROCEDURE text1.Valid
		Set Step On
		NoDefault
	ENDPROC


	PROCEDURE text1.RightClick
		ThisForm.SelectValues(This)
	ENDPROC
ENDDEFINE