// Project wizard generated code
#include "stdafx.h"

using namespace System;

int main()
{
    Console::WriteLine(L"Hello World");
    return 0;
}

// add existing header files from TQL one at a time
// 1. no compilation errors ...
#include "Query.h"

// 2. two warnings: signed/unsigned comparisons
#include "TextQuery.h"

// 3. again, two warnings on signed/unsigned comparisons
#include "UserQuery.h"

if ( _paren < _current_op.size() )

warning C4018: '<' : signed/unsigned mismatch

// 4. add Query.cpp
// compiler message: 
//   fatal error C1010: unexpected end of file while looking for 
//   precompiled header.   Did you forget to add '#include "stdafx.h"' //   to your source?

// 5. add TextQuery.cpp
// a. same fatal error C1010 ... and same solution ...
// b. compiled fine ...

// 6. add UserQuery.cpp and add #include "stdafx.h"

ref class Foo   // spaced contextual keyword
    { ... } ^ref;  // non-contextual use as identifier

#include "stdafx.h"
#include "Query.h"
#include "TextQuery.h"
#include "UserQuery.h"

using namespace System;

int main()
{
    TextQuery tq;

    tq.build_up_text();
    tq.query_text();

    return 0;
}

#include "TextQuery.h"

ref class TQL {
private:
      // our native object through which to invoke our application
    TextQuery *pTQuery;
};

ref class TQL {
public:
    // constructor creates a TextQuery object on native heap
    // destructor frees it
    TQL()  { pTQuery = new TextQuery; }
    ~TQL() { delete pTQuery;          }
};

ref class TQL {
public:
    // the operations we wish to publish within .NET
    // these will generally be inlined by the compiler

    void build_up_text(){ pTQuery->build_up_text(); }
    void query_text()   { pTQuery->query_text();    }
};

// Our Managed TQL Wrapper Put to Work ...
int main()
{
    TQL ^tq = gcnew TQL;
    tq->build_up_text();
    tq->query_text();
    return 0;
}

TQL ^tq