How to generate bitmap from url in C# ?

	public static Bitmap GenerateScreenshot(string url, int width, int height)
	{
	// Load the webpage into a WebBrowser control
	WebBrowser wb = new WebBrowser();
	wb.ScrollBarsEnabled = false;
	wb.ScriptErrorsSuppressed = true;
	wb.Navigate(url);
	while (wb.ReadyState != WebBrowserReadyState.Complete) { Application.DoEvents(); }
	// Set the size of the WebBrowser control
	wb.Width = width;
	wb.Height = height;
	if (width == -1)
	{
	// Take Screenshot of the web pages full width
	wb.Width = wb.Document.Body.ScrollRectangle.Width;
	}
	if (height == -1)
	{
	// Take Screenshot of the web pages full height
	wb.Height = wb.Document.Body.ScrollRectangle.Height;
	}
	// Get a Bitmap representation of the webpage as it's rendered in the WebBrowser control
	Bitmap bitmap = new Bitmap(wb.Width, wb.Height);
	wb.DrawToBitmap(bitmap, new Rectangle(0, 0, wb.Width, wb.Height));
	wb.Dispose();
	return bitmap;
	}

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