// convert_from_ccombstr.cpp

// compile with /clr /link comsuppw.lib



#include <iostream>

#include <stdlib.h>

#include <string>



#include "atlbase.h"

#include "atlstr.h"

#include "comutil.h"

#include "vcclr.h"



using namespace std;

using namespace System;

using namespace System::Runtime::InteropServices;



int main()

{

    CComBSTR orig("Hello, World!");

    CW2A printstr(orig);

    cout << printstr << " (CComBSTR)" << endl;



    // Convert to a char*

    const size_t newsize = 100;

    char nstring[newsize];

    CW2A tmpstr1(orig);

    strcpy_s(nstring, tmpstr1);

    strcat_s(nstring, " (char *)");

    cout << nstring << endl;



    // Convert to a wchar_t*

    wchar_t wcstring[newsize];

    wcscpy_s(wcstring, orig);

    wcscat_s(wcstring, L" (wchar_t *)");

    wcout << wcstring << endl;



    // Convert to a _bstr_t

    _bstr_t bstrt(orig);

    bstrt  = " (_bstr_t)";

    cout << bstrt << endl;



    // Convert to a CString

    CString cstring(orig);

    cstring  = " (CString)";

    cout << cstring << endl;



    // Convert to a basic_string

    wstring basicstring(orig);

    basicstring  = L" (basic_string)";

    wcout << basicstring << endl;



    // Convert to a System::String

    String ^systemstring = gcnew String(orig);

    systemstring  = " (System::String)";

    Console::WriteLine("{0}", systemstring);

    delete systemstring;

}