private DynamicMetaObject TryBindGetMember(string name)
{
if (_lib.HasMember(name))
{
BindingRestrictions restrictions =
BindingRestrictions.GetTypeRestriction(
Expression, typeof(ComTypeLibDesc)
).Merge(
BindingRestrictions.GetExpressionRestriction(
Expression.Equal(
Expression.Property(
AstUtils.Convert(
Expression, typeof(ComTypeLibDesc)
),
typeof(ComTypeLibDesc).GetProperty("Guid")
),
AstUtils.Constant(_lib.Guid)
)
)
);
return(new DynamicMetaObject(
AstUtils.Constant(
((ComTypeLibDesc)Value).GetTypeLibObjectDesc(name)
),
restrictions
));
}
return(null);
}
public override MetaObject BindGetMember(GetMemberBinder binder)
{
if (_lib.HasMember(binder.Name))
{
Restrictions restrictions =
Restrictions.GetTypeRestriction(
Expression, typeof(ComTypeLibDesc)
).Merge(
Restrictions.GetExpressionRestriction(
Expression.Equal(
Expression.Property(
AstUtils.Convert(
Expression, typeof(ComTypeLibDesc)
),
typeof(ComTypeLibDesc).GetProperty("Guid")
),
Expression.Constant(_lib.Guid)
)
)
);
return(new MetaObject(
Expression.Constant(
((ComTypeLibDesc)Value).GetTypeLibObjectDesc(binder.Name)
),
restrictions
));
}
return(base.BindGetMember(binder));
}
