ImageGlass.frmMain.ZoomOptimization C# (CSharp) Method

        private void ZoomOptimization()
        {
            if (GlobalSetting.ZoomOptimizationMethod == ZoomOptimizationValue.Auto)
            {
                if (picMain.Zoom > 100)
                {
                    picMain.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
                }
                else if (picMain.Zoom < 100)
                {
                    picMain.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Low;
                }
            }
            else if (GlobalSetting.ZoomOptimizationMethod == ZoomOptimizationValue.ClearPixels)
            {
                picMain.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
            }
            else if (GlobalSetting.ZoomOptimizationMethod == ZoomOptimizationValue.SmoothPixels)
            {
                picMain.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Low;
            }
        }