// ------------------------------------------------------------------
/// <summary>
/// Creates a Bitmap from the selected entities. If no entities are
/// selected, then 'null' is returned.
/// </summary>
/// <returns>Bitmap</returns>
// ------------------------------------------------------------------
public Bitmap ToBitmap()
{
if (SelectedItems.Count <= 0)
{
return(null);
}
Graphics g = mController.View.Graphics;
g.Transform = mController.View.ViewMatrix;
g.SmoothingMode = SmoothingMode.HighQuality;
Bundle bundle = new Bundle(SelectedItems.Copy());
return(ImageExporter.FromBundle(bundle, g));
}