ScreenToGif.Windows.Recorder.UpdateScreenDpi C# (CSharp) Method

        private void UpdateScreenDpi()
        {
            var source = PresentationSource.FromVisual(this);

            if (source?.CompositionTarget != null)
                _scale = source.CompositionTarget.TransformToDevice.M11;

            //TODO: Get the current screen info to calculate the screen size.
            //_size = new System.Drawing.Size((int)((_size.Width - Constants.HorizontalOffset) * _scale), (int)((_size.Height - Constants.VerticalOffset) * _scale));
        }