Graphics canvas = e.Graphics;

            using (Font font1 = new Font("Arial", 40, FontStyle.Bold, GraphicsUnit.Point))
            {
                rectF1 = new RectangleF((float)(this.ClientSize.Width / 2.0), (float)(this.ClientSize.Height / 2.0), (float)(this.ClientSize.Width / 3.0), (float)(this.ClientSize.Height / 3.0));
                Bitmap bittikartta = new Bitmap(this.ClientSize.Width, this.ClientSize.Height);
                Graphics k = Graphics.FromImage(bittikartta);
                k.TranslateTransform((float)this.ClientSize.Width / 2, (float)this.ClientSize.Height / 2);
                k.RotateTransform(angle);
                if (++angle > 360) angle = 0;
                k.TranslateTransform(-(float)this.ClientSize.Width / 2, -(float)this.ClientSize.Height / 2);
                k.DrawString("TIEA202", font1, Brushes.White, rectF1);
                k.DrawRectangle(Pens.AntiqueWhite, Rectangle.Round(rectF1));
                canvas.DrawImage(bittikartta, 50, 50);
                //canvas.DrawString(text1, font1, Brushes.White, rectF1);
                //canvas.DrawRectangle(Pens.AntiqueWhite, Rectangle.Round(rectF1));
            }