Add ShadowEffect in C# UIElement

Syntax:

DropShadowEffect dropShadowEffect = new DropShadowEffect();
dropShadowEffect.ShadowDepth = 0;
dropShadowEffect.Direction = 10;
dropShadowEffect.BlurRadius = 15;
dropShadowEffect.Color = Colors.Gold;
fe.Effect = dropShadowEffect;