public override DynamicMetaObject BindSetIndex(SetIndexBinder binder, DynamicMetaObject[] indexes, DynamicMetaObject value) { ComMethodDesc method; var target = _callable.DispatchComObject; var name = _callable.MemberName; bool holdsNull = value.Value == null && value.HasValue; if (target.TryGetPropertySetter(name, out method, value.LimitType, holdsNull) || target.TryGetPropertySetterExplicit(name, out method, value.LimitType, holdsNull)) { List<ParameterExpression> temps = new List<ParameterExpression>(); List<Expression> initTemps = new List<Expression>(); bool[] isByRef = ComBinderHelpers.ProcessArgumentsForCom(method, ref indexes, temps, initTemps); isByRef = isByRef.AddLast(false); // Convert the value to the target type DynamicMetaObject updatedValue = new DynamicMetaObject(value.CastOrConvertMethodArgument( value.LimitType, name, "SetIndex", temps, initTemps), value.Restrictions); var result = BindComInvoke(method, indexes.AddLast(updatedValue), binder.CallInfo, isByRef, temps, initTemps); // Make sure to return the value; some languages need it. return new DynamicMetaObject( Expression.Block(result.Expression, Expression.Convert(value.Expression, typeof(object))), result.Restrictions ); } return base.BindSetIndex(binder, indexes, value); }
public override DynamicMetaObject BindSetIndex(SetIndexBinder binder, DynamicMetaObject[] indexes, DynamicMetaObject value) { ComMethodDesc setItem; if (_self.TryGetSetItem(out setItem)) { List<ParameterExpression> temps = new List<ParameterExpression>(); List<Expression> initTemps = new List<Expression>(); bool[] isByRef = ComBinderHelpers.ProcessArgumentsForCom(setItem, ref indexes, temps, initTemps); isByRef = isByRef.AddLast(false); // Convert the value to the target type DynamicMetaObject updatedValue = new DynamicMetaObject(value.CastOrConvertMethodArgument( value.LimitType, setItem.Name, "SetIndex", temps, initTemps), value.Restrictions); var result = BindComInvoke(indexes.AddLast(updatedValue), setItem, binder.CallInfo, isByRef, temps, initTemps); // Make sure to return the value; some languages need it. return new DynamicMetaObject( Expression.Block(result.Expression, Expression.Convert(value.Expression, typeof(object))), result.Restrictions ); } return base.BindSetIndex(binder, indexes, value); }