Microsoft.JScript.LateBinding.SetIndexedDefaultPropertyValue C# (CSharp) Method

      internal void SetIndexedDefaultPropertyValue(Object ob, Object[] arguments, Object value){
        ScriptObject scrob = ob as ScriptObject;
        if (scrob != null){
          scrob[arguments] = value;
          return;
        }

        System.Array arr = ob as System.Array;
        if (arr != null){
          if (arguments.Length != arr.Rank)
            throw new JScriptException(JSError.IncorrectNumberOfIndices);
          arr.SetValue(value, LateBinding.ToIndices(arguments));
          return;
        }

        TypeCode tcode = Convert.GetTypeCode(ob);
        if (Convert.NeedsWrapper(tcode)) return; //senseless assignment to implicit wrapper. Do nothing.
        IReflect ir = LateBinding.GetIRForObjectThatRequiresInvokeMember(ob, this.checkForDebugger, tcode);

        if (ir != null){
          try{
            int n = arguments.Length + 1;
            Object[] newargs = new Object[n];
            ArrayObject.Copy(arguments, 0, newargs, 0, n-1);
            newargs[n-1] = value;
            const BindingFlags flags =
              BindingFlags.Public|BindingFlags.Instance|BindingFlags.OptionalParamBinding|
              BindingFlags.SetProperty|BindingFlags.SetField;
            ir.InvokeMember(String.Empty, flags, JSBinder.ob, ob, newargs, null, null, null);
            return;
          }catch(MissingMemberException){
            throw new JScriptException(JSError.OLENoPropOrMethod);
          }
        }

        MemberInfo[] defaultMembers = TypeReflector.GetTypeReflectorFor(ob.GetType()).GetDefaultMembers();
        if (defaultMembers != null && defaultMembers.Length > 0){
          PropertyInfo prop = JSBinder.SelectProperty(Runtime.TypeRefs, defaultMembers, arguments);
          if (prop != null){
            MethodInfo setter = JSProperty.GetSetMethod(prop, false);
            if (setter != null){
              arguments = LateBinding.LickArgumentsIntoShape(prop.GetIndexParameters(), arguments, JSBinder.ob, null);
              value = Convert.CoerceT(value, prop.PropertyType);
              int n = arguments.Length + 1;
              Object[] newargs = new Object[n];
              ArrayObject.Copy(arguments, 0, newargs, 0, n-1);
              newargs[n-1] = value;
              setter.Invoke(ob, newargs);
              return;
            }
          }
        }
        throw new JScriptException(JSError.OLENoPropOrMethod);
      }