As I understand, the container control should contain another control i.e. textbox control to get the desired behaviour. This has been brought to the attention of MS coz I encountered C000005 run time error when doing the same scenario as you mentioned.

>Hi,
>
>If you put a container on a grid,
>when you change cell, VFP fire the form GotFocus
>and
>not fire Container Gotfocus.
>
>

>PUBLIC oform1
>
>oform1=NEWOBJECT("form1")
>oform1.Show
>RETURN
>
>DEFINE CLASS form1 AS form
>
>	Height = 600
>	Width = 400
>	DoCreate = .T.
>	Caption = "Form1"
>	Name = "Form1"
>	AllowOutput = .F.
>	
>	ADD OBJECT grid1 AS grid1 WITH ;
>		Height = 400, ;
>		Left = 10, ;
>		RecordSource = "Test", ;
>		RowHeight = 78, ;
>		Top = 20, ;
>		Width = 320, ;
>		Name = "Grid1", ;
>		Column1.Bound = .F., ;
>		Column1.Width = 250, ;
>		Column1.Sparse = .F., ;
>		Column1.Name = "Column1"
>
>	PROCEDURE Gotfocus
>		? "Form GotFocus"
>	PROCEDURE Lostfocus
>		? "Form LostFocus"
>		
>	PROCEDURE Load
>		CREATE CURSOR TEST (FF I DEFAULT RECNO())
>		FOR I=1 TO 5
>		 APPEND BLANK
>		NEXT
>		GO TOP
>
>	PROCEDURE UNLOAD
>		USE IN SELECT('TEST')
>ENDDEFINE
>
>      DEFINE CLASS grid1 AS Grid
>         ADD OBJECT column1 AS column1
>      ENDDEFINE
>
>      DEFINE CLASS column1 AS Column
>         Width = 300
>         ADD OBJECT header11 AS header
>         ADD OBJECT container1 AS container
>
>		PROCEDURE container1.init
>			STORE this.AddObject('txt','TextBox') TO this.txt.Visible
>
>		PROCEDURE container1.Gotfocus
>			? "Container GotFocus"
>			
>		PROCEDURE container1.Lostfocus
>			? "Container LostFocus"
>
>	ENDDEFINE
>

>
>Fabio