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How do i convert between System::String and char* ?

Posted on 2006-10-30
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Last Modified: 2013-11-20
Hello. (Simple newbie questions:)

In VC++ 2005 Express Edition:

1. How do i convert from "String^" to "char*" ?
2. How do i convert from  "char*" to "String^" ?

Thank you.
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Question by:Catalin80
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AlexFM earned 50 total points
ID: 17832409
#include "stdafx.h"

using namespace System;
using namespace System::Runtime::InteropServices;

#include <stdio.h>

int main(array<System::String ^> ^args)
{
    // char*" to "String^

    char* p = "abcde";
    String^ s = gcnew String(p);

    Console::WriteLine(s);

    // String^" to "char*
    IntPtr ptr = Marshal::StringToHGlobalAnsi(s);
    char* p1 = (char*)ptr.ToPointer();

    printf(p1);
    Console::WriteLine();

    Marshal::FreeHGlobal(ptr);

    return 0;
}
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