Public ReadOnly Property DrawRectangle As Rectangle

Dim instance As PaintGrayAreaEventArgs
Dim value As Rectangle
 
value = instance.DrawRectangle

public Rectangle DrawRectangle {get;}

private void fpSpread1PaintGrayArea(object sender, FarPoint.Win.Spread.PaintGrayAreaEventArgs e) 
{ 
       e.Graphics.FillRectangle(Brushes.Blue, new RectangleF(e.DrawRectangle.X, e.DrawRectangle.Y, e.DrawRectangle.Width, e.DrawRectangle.Height)); 
}

Private Sub FpSpread1PaintGrayArea(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.PaintGrayAreaEventArgs) Handles
FpSpread1.PaintGrayArea
      e.Graphics.FillRectangle(Brushes.Blue, New RectangleF(e.DrawRectangle.X, e.DrawRectangle.Y, e.DrawRectangle.Width, e.DrawRectangle.Height))
End Sub