public void RestoreRegion(PdnRegion region)
{
if (region != null)
{
BitmapLayer activeLayer = (BitmapLayer)ActiveLayer;
activeLayer.Surface.CopySurface(this.ScratchSurface, region);
activeLayer.Invalidate(region);
}
}
public void RestoreSavedRegion()
{
if (this.saveRegion != null)
{
BitmapLayer activeLayer = (BitmapLayer)ActiveLayer;
activeLayer.Surface.CopySurface(this.ScratchSurface, this.saveRegion);
activeLayer.Invalidate(this.saveRegion);
this.saveRegion.Dispose();
this.saveRegion = null;
}
}