public override DynamicMetaObject BindInvokeMember(InvokeMemberBinder binder, DynamicMetaObject[] args) { Requires.NotNull(binder, nameof(binder)); ComMethodDesc method = null; // See if this is actually a property set ComBinder.ComInvokeMemberBinder comInvokeBinder = binder as ComBinder.ComInvokeMemberBinder; if ((comInvokeBinder != null) && (comInvokeBinder.IsPropertySet)) { DynamicMetaObject value = args[args.Length - 1]; bool holdsNull = value.Value == null && value.HasValue; if (!_self.TryGetPropertySetter(binder.Name, out method, value.LimitType, holdsNull)) { _self.TryGetPropertySetterExplicit(binder.Name, out method, value.LimitType, holdsNull); } } // Otherwise, try property get if (method == null) { if (!_self.TryGetMemberMethod(binder.Name, out method)) { _self.TryGetMemberMethodExplicit(binder.Name, out method); } } if (method != null) { List <ParameterExpression> temps = new List <ParameterExpression>(); List <Expression> initTemps = new List <Expression>(); bool[] isByRef = ComBinderHelpers.ProcessArgumentsForCom(method, ref args, temps, initTemps); return(BindComInvoke(args, method, binder.CallInfo, isByRef, temps, initTemps)); } return(base.BindInvokeMember(binder, args)); }
public override DynamicMetaObject BindSetIndex(SetIndexBinder binder, DynamicMetaObject[] indexes, DynamicMetaObject value) { IDispatchComObject target = _callable.DispatchComObject; string name = _callable.MemberName; bool holdsNull = value.Value == null && value.HasValue; if (target.TryGetPropertySetter(name, out ComMethodDesc 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", allowCastingToByRefLikeType: false, 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)); }