private void SetBackgroundImage(Bitmap originalBackgroundImage)
{
_resizedBackgroundImage = ExportPngXml.ResizeBitmap(originalBackgroundImage, VideoWidth, VideoHeight);
var bmp = new Bitmap(_resizedBackgroundImage);
using (var g = Graphics.FromImage(bmp))
{
g.DrawRectangle(Pens.Green, Convert.ToInt32(comboBoxLeftRightMargin.SelectedIndex), VideoHeight - CdgGraphics.FullHeight - Convert.ToInt32(comboBoxBottomMargin.SelectedIndex), CdgGraphics.FullWidth, CdgGraphics.FullHeight);
}
var oldBitmap = pictureBoxBackgroundImage.Image as Bitmap;
pictureBoxBackgroundImage.Image = bmp;
oldBitmap?.Dispose();
}
