private void toolStripButton2_Click(object sender, EventArgs e) { OpenFileDialog o = new OpenFileDialog(); o.Filter = "Png files|*.png|jpeg files|*.jpg|bitmaps|*.bmp"; Image i; if (o.ShowDialog() == DialogResult.OK) { i = (Image)Image.FromFile(o.FileName).Clone(); using (Graphics g = Graphics.FromImage(bmp)) { g.FillRectangle(new SolidBrush(Color.White), new Rectangle(0, 0, paintZone.Width, paintZone.Height)); g.DrawImageUnscaledAndClipped(i, new Rectangle(0, 0, paintZone.Width, paintZone.Height)); } paintZone.Refresh(); } }