OnVideoFrameBitmap event usage

OnVideoFrameBitmap event sample usage:
Bitmap bmp = new Bitmap(@"c:\vf\pics\1.jpg");

using (Graphics g = Graphics.FromImage(e.Frame))
    g.DrawImage(bmp, 0, 0, bmp.Width, bmp.Height);
    e.UpdateData = true;

Use Graphics to update existing Bitmap. Graphics object must be disposed. e.UpdateData must be set to true.
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