int cRegDeleteKey(char* lpKeyName)
{

    char *lpKey;
    int dwKeySize;
    int i;
    char *lpSubKey;
    HKEY hKey;

    dwKeySize=lstrlenA(lpKeyName);

    if(dwKeySize==0)
        return 2;

    lpKey=GlobalAlloc(GPTR,dwKeySize);

    //Obtenemos hKey y lpSubKey
    for(i=0;i<lstrlenA(lpKeyName) && lpKeyName[i]!='\\';i++)
    {
        lpKey[i]=lpKeyName[i];
    }

    if(i==0)
    {
        return -1;
    }

    lpSubKey=&lpKeyName[i+1];

    if(!lstrcmp(lpKey,"HKEY_CLASSES_ROOT")) hKey=HKEY_CLASSES_ROOT;
    else if(!lstrcmp(lpKey,"HKEY_CURRENT_CONFIG")) hKey=HKEY_CURRENT_CONFIG;
    else if(!lstrcmp(lpKey,"HKEY_CURRENT_USER")) hKey=HKEY_CURRENT_USER;
    else if(!lstrcmp(lpKey,"HKEY_CURRENT_USER_LOCAL_SETTINGS")) hKey=HKEY_CURRENT_USER_LOCAL_SETTINGS;
    else if(!lstrcmp(lpKey,"HKEY_LOCAL_MACHINE")) hKey=HKEY_LOCAL_MACHINE;
    else if(!lstrcmp(lpKey,"HKEY_PERFORMANCE_DATA")) hKey=HKEY_PERFORMANCE_DATA;
    else if(!lstrcmp(lpKey,"HKEY_PERFORMANCE_NLSTEXT")) hKey=HKEY_PERFORMANCE_NLSTEXT;
    else if(!lstrcmp(lpKey,"HKEY_PERFORMANCE_TEXT")) hKey=HKEY_PERFORMANCE_TEXT;
    else if(!lstrcmp(lpKey,"HKEY_USERS")) hKey=HKEY_USERS;
    else return -1;

    if(RegDeleteKey(hKey,lpSubKey)!=ERROR_SUCCESS)
    {
        return -2;
    }

    return 1;
}