BlurEffect.MainPage.Canvas_Draw C# (CSharp) Method

        void Canvas_Draw(CanvasControl sender, CanvasDrawEventArgs args)
        {
            using (var session = args.DrawingSession)
            {
                var blur = new GaussianBlurEffect
                {
                    BlurAmount = 50.0f, // increase this to make it more blurry or vise versa.
                    //Optimization = EffectOptimization.Balanced, // default value
                    //BorderMode = EffectBorderMode.Soft // default value
                    Source = _bitmap
                };

                session.DrawImage(blur, new Rect(0, 0, sender.ActualWidth, sender.ActualHeight),
                    new Rect(0, 0, _bitmap.SizeInPixels.Width, _bitmap.SizeInPixels.Height), 0.9f);
            }
        }