Error C3699 Indirection
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Cannot Use This Indirection On Type System String
Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered by: error C3699: '*' : cannot use this indirection on type ' Archived Forums V && cannot use this indirection on type > Visual C++ Express Edition Question 0 Sign in to vote Hi All,Here is what I am trying to do and I hope someone will have better explanation what is going on. I have created two classes classA and classB. In classB I would like to create a method that returns a vector of classA objects. Here is what I didmyclassa.h namespace myClassA{ public ref classA{ };}...myclassb.cppnamespace myClassB{ std::vector
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business http://stackoverflow.com/questions/3929333/c-cli-why-cant-i-pass-strings-by-reference Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up C++/CLI : Why can't I pass Strings by reference? up vote 5 down vote favorite Why doesn't Microsoft's C++/CLI allow me to pass cannot use strings by reference? I received the following error: C3699: '&': cannot use this indirection on type 'System::String' c++-cli managed-c++ share|improve this question edited Oct 14 '10 at 4:55 asked Oct 14 '10 at 1:09 Casebash 35.6k52168291 1 I added the C++-cli tag because it looks like that's what you're using here. –configurator Oct 14 '10 at 1:11 Just as a point of reference: C++/CLI is not C++; despite the similarity in names, cannot use this the c++ and c++-cli tags are pretty close to mutually exclusive; questions about one (including this one) frequently make no sense with regard to the other. –Jerry Coffin Oct 14 '10 at 1:15 add a comment| 3 Answers 3 active oldest votes up vote 7 down vote accepted Sounds like you are using Managed C++, which is a bastardised C++ used with the .NET Framework. in Managed C++, I believe the syntax you are looking for is System::String^. The reason for this is that since managed types are garbage collected by .NET Framework, you aren't allowed to create 'regular' references since the GC needs to track all the references to a specific variable to know when it is safe to free it. share|improve this answer answered Oct 14 '10 at 1:10 John Ledbetter 8,5763164 7 +1 for bastardised –karlphillip Oct 14 '10 at 1:17 1 i'm with karlphillip –dutt Oct 14 '10 at 1:22 Take a look at Microsoft's tutorial on Data Marshaling for an in-depth discussion on how memory is managed between native C/C++ and Managed C++. msdn.microsoft.com/en-us/library/ms384317(VS.71).aspx –jwadsack Oct 14 '10 at 1:23 add a comment| up vote 23 down vote First of all, there are really two Microsoft-specific C++ dialects for .NET: the older "Managed C++" (Visual Studio 2002 and 2003) and C++/CLI (Visual Stu