#include <iostream>
#include <windows.h>
using namespace std;



int main()
{


    HWND handle = 0;
    COPYDATASTRUCT data;
    string thebuffer;
    string message;
    const char* buffer = NULL;

    message = "essai message perso msn";
    thebuffer = "\\0Music\\01\\0{0}\\0" + message + "\\0\\0\\0\\0";
   // buffer = "\0Music\01\0{0}\0" + message + "\0\0\0\0\0";
    buffer = thebuffer.c_str();

    data.dwData = 0x0547;
    data.lpData = &buffer;
    data.cbData = sizeof(buffer);

    handle = FindWindowEx(0,0,"MsnMsgrUIManager",0);
    if(handle == NULL) cout < < "damned!";
    SendMessage(handle, WM_COPYDATA, 0, (LPARAM) &data);

    system("pause");

    return 0;
}