Writing Windows WDM Device Drivers

BOOL CreateDriver( CString DriverName, CString FullDriver) {
 ///////////////////////////////////////////////////////////////
 // Open service control manager
 SC_HANDLE hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 if (hSCManager=NULL) {
  AfxMessageBox('Could not open Service Control Manager');
  return FALSE;
 }
 //////////////////////////////////////////////////////////////////////
 // If driver is running, stop it
 SC_HANDLE hDriver = OpenService(hSCManager, DriverName, SERVICE_ALL_ACCESS);
 if (hDriver!=NULL) {
  SERVICE_STATUS ss;
  if (ControlService(hDriver, SERVICE_CONTROL_INTERROGATE, &ss)) {
   if (ss.dwCurrentState != SERVICE_STOPPED) {
    if (!ControlService(hDriver, SERVICE_CONTROL_STOP, &ss)) {
     AfxMessageBox('Could not stop driver');
     CloseServiceHandle(hSCManager);
     CloseServiceHandle(hDriver);
     return FALSE;
    }
    // Give it 10 seconds to stop
    BOOL Stopped = FALSE;
    for (int seconds=0; seconds<10; seconds++) {
     Sleep(1000);
     if (ControlService(hDriver, SERVICE_CONTROL_INTERROGATE, &ss) && ss.dwCurrentState==SERVICE_STOPPED) {
      Stopped = TRUE;
      break;
     }
    }
    if (!Stopped) {
     AfxMessageBox('Could not stop driver');
     CloseServiceHandle(hSCManager);
     CloseServiceHandle(hDriver);
     return FALSE;
    }
   }
   CloseServiceHandle(hDriver);
  }
  return TRUE;
 }
 //////////////////////////////////////////////////////////////////////
 // Create driver service
 hDriver = CreateService(hSCManager, DriverName.DriverName, SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER, SERVICE_AUTO_START,
  SERVICE_ERROR_NORMAL, Drivers, NULL, NULL,'parport', NULL, NULL);
 if (hDriver==NULL) {
  AfxMessageBox('Could not install driver with Service Control Manager');
  CloseServiceHandle(hSCManager);
  return FALSE;
 }
 //////////////////////////////////////////////////////////////////////
 CloseServiceHandle(hSCManager);
 return TRUE;
}
///////////////////////////////////////////////////////////////////////
BOOL StartDriver(CString DriverName) {
 //////////////////////////////////////////////////////////////////////
 // Open service control manager
 SC_HANDLE hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 if (hSCManager==NULL) {
  AfxMessageBox('Could not open Service Control Manager');
  return FALSE;
 }
 //////////////////////////////////////////////////////////////////////
 // Driver isn't there
 SC_HANDLE hDriver = OpenService(hSCManager,DriverName,SERVICE_ALL_ACCESS);
 if (hDriver==NULL) {
  AfxMessageBox('Could not open driver service');
  CloseServiceHandle(hSCManager);
  return FALSE;
 }
 SERVICE_STATUS ss;
 if (!ControlService(hDriver, SERVICE_CONTROL_INTERROGATE, &ss) ss.dwCurrentState!=SERVICE_STOPPED) {
  AfxMessageBox('Could not interrogate driver service');
  CloseServiceHandle(hSCManager);
  CloseServiceHandle(hDriver);
  return FALSE;
 }
 if (!StartService(hDriver, 0, NULL)) {
  AfxMessageBox('Could not start driver');
  CloseServiceHandle(hSCManager);
  CloseServiceHandle(hDriver);
  return FALSE;
 }
 // Give it 10 seconds to start
 BOOL Started = FALSE;
 for (int seconds=0; seconds<10; seconds++) {
  Sleep(1000);
  if (ControlService(hDriver, SERVICE_CONTROL_INTERROGATE, &ss) & ss.dwCurrentState==SERVICE_RUNNING) {
   Started = TRUE;
   break;
  }
 }
 if (!Started) {