/// <summary>
/// Draws content of this subfigure into proedefined bitmap
/// </summary>
/// <param name="bitmap">predefined bitmap to draw content into. The size must have been initialized according to 'bounds'.</param>
/// <param name="bounds">Rectangle specifying the region to be copied.</param>
public virtual new void DrawToBitmap(Bitmap bitmap, Rectangle bounds)
{
base.DrawToBitmap(bitmap, bounds);
Bitmap tmpbmp = new Bitmap(m_panel.Size.Width, m_panel.Size.Height);
m_panel.DrawToBitmap(tmpbmp, new Rectangle(0, 0, tmpbmp.Width, tmpbmp.Height));
// merge both bitmaps
using (Graphics gr = Graphics.FromImage(bitmap)) {
gr.DrawImage(tmpbmp, m_panel.Location);
}
}