wpf 文字颜色渐变和阴影 cs代码

 	    LinearGradientBrush brush = new LinearGradientBrush();

            GradientStop gradientStop1 = new GradientStop();
            gradientStop1.Offset = 0;
            gradientStop1.Color = Color.FromArgb(255, 251, 100, 17);
            brush.GradientStops.Add(gradientStop1);

            GradientStop gradientStop2 = new GradientStop();
            gradientStop2.Offset = 1;
            gradientStop2.Color = Color.FromArgb(255, 247, 238, 52);
            brush.GradientStops.Add(gradientStop2);

            brush.StartPoint = new Point(0.5, 0);
            brush.EndPoint = new Point(0.5, 1);
            label.Foreground = brush;

            System.Windows.Media.Effects.DropShadowEffect ds = new System.Windows.Media.Effects.DropShadowEffect();
            label.Effect = ds;