[Lazarus] Colouring StringGrids

[Coppola Ing. Salvatore]

Dave Coventry wrote:
> Hi Hector,
>
> Thanks for the help.
>
> I've tried the code as you suggest, but it only seems to affect the
> selected row.
>
> I'm having difficulty following the logic process.
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>   
Maybe this can help yuo:
procedure TForm1.StringGrid1DrawCell(Sender: TObject; aCol, aRow: Integer;
aRect: TRect; aState: TGridDrawState);
begin
  if (aCol=aRow) then begin
    StringGrid1.Canvas.Brush.Color:=clYellow;
    StringGrid1.Canvas.Rectangle(StringGrid1.CellRect(aCol,aRow));
  end;
end;

Regards,
Salvatore