public BrushImageTestPage() { InitializeComponent(); ButtonSolid.Clicked += OnClickedSolid; ButtonGradientLinear.Clicked += OnClickedLinear; ButtonGradientRadial.Clicked += OnClickedRadial; Image1.SetImage(ResourcePath + "tizen.png"); Image2.SetImage(ResourcePath + "xamarin_logo.png"); PropertyArray stopColor = new PropertyArray(); stopColor.Add(new PropertyValue(new Vector4(255.0f, 0.0f, 0.0f, 255.0f) / 255.0f)); stopColor.Add(new PropertyValue(new Vector4(0.0f, 255.0f, 0.0f, 255.0f) / 255.0f)); LinearGradient = new GradientVisual(); LinearGradient.StopColor = stopColor; LinearGradient.StartPosition = new Vector2(0.0f, 0.0f); LinearGradient.EndPosition = new Vector2(0.3f, 0.3f); LinearGradient.Origin = Visual.AlignType.TopBegin; RadialGradient = new GradientVisual(); RadialGradient.Center = new Vector2(0.0f, 0.0f); RadialGradient.Radius = 0.5f; RadialGradient.StopColor = stopColor; RadialGradient.Origin = Visual.AlignType.TopBegin; }