using (MemoryStream bitmapStream = new MemoryStream())
{
	using (var bitmap = new Bitmap(targetWidth, targetHeight))
	{
		using (var g = Graphics.FromImage(bitmap))
		{
			g.FillRectangle(new Color.White, 0, 0, targetWidth, targetHeight);
			using (var pdfBitmap = new PdfBitmap(targetWidth, targetHeight, true))
			{
				page.Render(pdfBitmap, 0, 0, targetWidth, targetHeight, PageRotate.Normal, RenderFlags.FPDF_ANNOT);
				g.DrawImageUnscaled(pdfBitmap.Image, 0, 0);
			}
		}
		bitmap.Save(bitmapStream, ImageFormat.Bmp);
		return bitmapStream.ToArray();
	}
}