Microsoft.JScript.Class.IsASubClassOf C# (CSharp) Method

      private bool IsASubClassOf(Class cl){
        if (this.superTypeExpression != null){
          this.superTypeExpression.PartiallyEvaluate();
          IReflect supertype = this.superTypeExpression.ToIReflect();
          if (supertype is ClassScope){
            Class superclass = ((ClassScope)supertype).owner;
            if (superclass == cl)
              return true;
            else
              return superclass.IsASubClassOf(cl);
          }
        }
        return false;
      }