private void OnImageToBackBone(object sender, System.EventArgs e) { m_Undo = (Bitmap)m_Bitmap.Clone(); FontMethods.ImageToBackBone(m_Bitmap); m_Bitmap = FontMethods.BoundCore(m_Bitmap); this.AutoScroll = true; this.AutoScrollMinSize = new Size((int)(m_Bitmap.Width * Zoom), (int)(m_Bitmap.Height * Zoom)); this.Invalidate(); }