gistfile1.cs

Action grabScreenshot = () =>
{
	using (Bitmap bitmap = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height))
    	using (Graphics graphics = Graphics.FromImage(bitmap))
    	{
    		graphics.CopyFromScreen(0, 0, 0, 0, bitmap.Size);
    		string fileName = "urc00luniquefilenamehere.jpeg";
    		bitmap.Save(fileName, ImageFormat.Jpeg);
    	}
};