What is the best way to convert between char* and System::String in C++/CLI

Question

What is the approved way to convert from char* to System::string and back in C++/CLI? I found a few references to marshal_to<> templated functions on Google, but it appea

Answer 1

I created a few helper methods. I needed to do this to move from an old Qt library to CLI String. If anyone can add onto this and tell me if it seems like I have a memory leak and what I can do to fix it, I would be most appreciative.

void MarshalString (  String ^ s, wstring& os ) {
    using namespace Runtime::InteropServices;
    const wchar_t* char = (const wchar_t*)(Marshal::StringToHGlobalUni(s)).ToPointer();
    os = char;
}
QString SystemStringToQt( System::String^ str)
{
    wstring t;
    MarshalString(str, t);
    QString r = QString::fromUcs2((const ushort*)t.c_str());
    return r;
}