David, your code causes syntax error (VFP 8) at line

ADD OBJECT form1.grid1.column1.header1 AS header WITH ;

so I cannot try it. Is this VFP 8 bug ?

>Andrus,
>
>Last night when I tried this, I swear I emptied the caption before I ran the form, the first run of the form from the deisgner didn't work... When the designer opened back up the chk still had it's caption. There was some other grid thing I was testing a couple of weeks ago where it took a couple of saves to actually get the change to stick.
>
>In earlier versions you have to create a container class, but the chk in it and put this composite class into the grid.
>
>Here's a dump of the form I greated last night that's centering the checkbox quite nicely:
>
>

DEFINE CLASS form1 AS form
>	Top = 0
>	Left = 0
>	DoCreate = .T.
>	Caption = "Form1"
>	Name = "Form1"
>
>	ADD OBJECT grid1 AS grid WITH ;
>		ColumnCount = 3, ;
>		Height = 215, ;
>		Left = 15, ;
>		Panel = 1, ;
>		Top = 17, ;
>		Width = 344, ;
>		Name = "Grid1", ;
>		Column1.Sparse = .F., ;
>		Column1.Name = "Column1", ;
>		Column2.Sparse = .F., ;
>		Column2.Name = "Column2", ;
>		Column3.Name = "Column3"
>
>	ADD OBJECT form1.grid1.column1.header1 AS header WITH ;
>		Caption = "Header1", ;
>		Name = "Header1"
>
>	ADD OBJECT form1.grid1.column1.check1 AS checkbox WITH ;
>		Top = 24, ;
>		Left = 8, ;
>		Height = 17, ;
>		Width = 60, ;
>		Centered = .T., ;
>		Caption = "", ;
>		Name = "Check1"
>
>	ADD OBJECT form1.grid1.column2.header1 AS header WITH ;
>		Caption = "Header1", ;
>		Name = "Header1"
>
>	ADD OBJECT form1.grid1.column2.check1 AS checkbox WITH ;
>		Top = 32, ;
>		Left = 18, ;
>		Height = 17, ;
>		Width = 60, ;
>		Centered = .T., ;
>		Caption = "", ;
>		Name = "Check1"
>
>	ADD OBJECT form1.grid1.column3.header1 AS header WITH ;
>		Caption = "Header1", ;
>		Name = "Header1"
>
>	ADD OBJECT form1.grid1.column3.check1 AS checkbox WITH ;
>		Top = 23, ;
>		Left = 24, ;
>		Height = 17, ;
>		Width = 60, ;
>		Centered = .T., ;
>		Caption = "", ;
>		Name = "Check1"
>
>	PROCEDURE Load
>		create cursor x1 ( l1 l, l2 l, l3 l )
>		insert into x1 values ( .t., .t., .t. )
>		insert into x1 values ( .f., .f., .f. )
>		go top
>	ENDPROC
>
>ENDDEFINE
>
>

>
>>Yes .caption property displays (none) in property sheet.
>>
>>In my checkbox class init event I have :
>>
>>

>>IF TYPE('this.parent.sparse')='L'
>>  * Checkbox is in grid column. Make it centered.
>>  this.parent.sparse= .f.
>>  IF VERSION()>='Visual FoxPro 08'
>>    this.centered = .t.
>>    ENDIF
>>  ENDIF

>>
>>But the checkbox is still left-aligned!
>>
>>According to VFP 8 help file in .centered property, it is possible
>>to center a checkbox in grid. Unfortunately, I havent found ANY sample
>>which shows this.
>>
>>Is there any sample code which shows centered checkbox in grid ?
>>Is it possible to center checkbox in VFP 7 ?