TMemo

Code:

type

TMyMemo = class(TMemo)

protected

   procedure WMPaint(var Message: TWMPaint); message WM_PAINT;

end;

Code:

procedure TMyMemo.WMPaint(var Message: TWMPaint);

var

MCanvas: TControlCanvas;

DrawBounds : TRect;

Begin

inherited;

MCanvas:=TControlCanvas.Create;

DrawBounds := ClientRect;  // Работаем с временной записью TRect.

Try

  MCanvas.Control:=Self;

  With MCanvas do

  Begin

   Brush.Color := clBtnFace;

   FrameRect( DrawBounds );

   InflateRect( DrawBounds, -1, -1);

   FrameRect( DrawBounds );

   FillRect ( DrawBounds );

   MoveTo ( 33, 0 );

   Brush.Color := clWhite;

   LineTo ( 33, ClientHeight );

   PaintImages;

  end;

finally

   MCanvas.Free;

End;

end;