public Tuple <double, double> GetAbsolutePercentFromRelativePercent(double percentX, double percentY, ICapturer capturer) { var absoluteX = capturer.CurrentScreenBounds.Width * percentX + capturer.CurrentScreenBounds.Left - capturer.GetVirtualScreenBounds().Left; var absoluteY = capturer.CurrentScreenBounds.Height * percentY + capturer.CurrentScreenBounds.Top - capturer.GetVirtualScreenBounds().Top; return(new Tuple <double, double>(absoluteX / capturer.GetVirtualScreenBounds().Width, absoluteY / capturer.GetVirtualScreenBounds().Height)); }