BOOL  recherche (HWND handle)
{
    char chemin[MAX_PATH]="";
    OPENFILENAME opensd;
    ZeroMemory(&opensd,sizeof(OPENFILENAME));
    opensd.lStructSize=sizeof(OPENFILENAME);
    opensd.hwndOwner=handle;
    opensd.nMaxFile=MAX_PATH;
    opensd.lpstrFile=chemin;
    opensd.lpstrFilter="Audio File\0*.mp3;*.wav;*.wma;*.ogg\0\0";
    opensd.nFilterIndex=1;
    opensd.Flags=OFN_PATHMUSTEXIST|OFN_FILEMUSTEXIST|OFN_ALLOWMULTISELECT;

    return GetOpenFileName(&opensd);

}