Thanks Fabio

That explains a bit.

regards
Geoff Scott

>>Have tracked it down to BeforeRowColumnChange occuring when the grid is loosing focus.
>>
>>Is there anyway to determine whether the grid is loosing focus as opposed to the column is changing?
>>
>>Regards
>>Geoff Scott
>>>Hi
>
>nearly:
>exceptions
>- exists a bug on TABLEREVERT()
>that can fire BeforeRowColumnChange() with m.this.RowColChange=0 without loosing focus
>( for this,
>you can set a grid flag into Grid.Valid, check and reset it into Grid.BeforeRowColumnChange)
>- if the CellControl.Valid fail ( 0,.f.,.NULL. ... ) the focus still on grid
>( this is a design bug because the CellControl.Valid have to be fired before grid.Valid )
>
>Then, without these exceptions:
>

>* BeforeRowColumnChange
>IF EMPTY(m.this.RowColChange)
>  * probably the grid loses the focus
>ELSE
>  * sure a internal Grid action
>ENDIF
>