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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

How to: Convert char * String to System::Byte Array

The most efficient way to convert a char * string to a Byte array is to use Marshal class.

// convert_native_string_to_Byte_array.cpp
// compile with: /clr
#include <string.h>

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

int main() {
   char buf[] = "Native String";
   int len = strlen(buf);

   array< Byte >^ byteArray = gcnew array< Byte >(len + 2);

   // convert native pointer to System::IntPtr with C-Style cast
   Marshal::Copy((IntPtr)buf,byteArray, 0, len);

   for ( int i = byteArray->GetLowerBound(0); i <= byteArray->GetUpperBound(0); i++ ) {
      char dc =  *(Byte^)   byteArray->GetValue(i);
      Console::Write((Char)dc);
   }
   
   Console::WriteLine();
}
Native String

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