Public ReadOnly Property ButtonRectangle As Rectangle

Dim instance As PaintTabStripButtonEventArgs
Dim value As Rectangle
 
value = instance.ButtonRectangle

public Rectangle ButtonRectangle {get;}

private void fpspread1PaintTabStripButton(object sender, FarPoint.Win.Spread.PaintTabStripButtonEventArgs e) 
{ 
      if (e.Pressed == true) { 
            e.Cancel = true; 
            e.Graphics.FillRectangle(Brushes.Aqua, new RectangleF(e.ButtonRectangle.X, e.ButtonRectangle.Y, e.ButtonRectangle.Width, e.ButtonRectangle.Height)); 
      } 
}

Private Sub fpspread1PaintTabStripButton(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.PaintTabStripButtonEventArgs)
Handles FpSpread1.PaintTabStripButton
      If e.Pressed = True Then
            e.Cancel = True
            e.Graphics.FillRectangle(Brushes.Aqua, New RectangleF(e.ButtonRectangle.X, e.ButtonRectangle.Y, e.ButtonRectangle.Width, e.ButtonRectangle.Height))
      End If
End Sub