WlxDialogBox now showing my dialog (custom Gina)

int
WINAPI
WlxLoggedOutSAS (PVOID                pWlxContext,
                 DWORD                dwSasType,
                 PLUID                pAuthenticationId,
                 PSID                 pLogonSid,
                 PDWORD               pdwOptions,
                 PHANDLE              phToken,
                 PWLX_MPR_NOTIFY_INFO pMprNotifyInfo,
                 PVOID *              pProfile)
{
  //my dialog that doesn't work:
  int iRet;
  iRet = ((PWLX_DISPATCH_VERSION_1_3)g_pWinlogon)->WlxDialogBox(handleWlxInit,globalInstance,MAKEINTRESOURCEW (IDD_DIALOG1),NULL,checkPIN);
 
//msgbox that works:
((PWLX_DISPATCH_VERSION_1_3) g_pWinlogon)->WlxMessageBox(handleWlxInit,globalHwnd,L"Test",L"Test",MB_OK);
 
  //this is the default logged out sas dialog
  //int iRet;
  iRet = pfWlxLoggedOutSAS(pWlxContext,
                            dwSasType,
                            pAuthenticationId,
                            pLogonSid,
                            pdwOptions,
                            phToken,
                            pMprNotifyInfo,
                            pProfile);
 
 
   if(iRet == WLX_SAS_ACTION_LOGON) 
   {
      //
      // Copy pMprNotifyInfo and pLogonSid for later use.
      //
 
      // pMprNotifyInfo->pszUserName
      // pMprNotifyInfo->pszDomain
      // pMprNotifyInfo->pszPassword
      // pMprNotifyInfo->pszOldPassword
   }
   return iRet;
}
 
 
BOOL CALLBACK checkPIN(HWND hwndDlg, 
                             UINT message, 
                             WPARAM wParam, 
                             LPARAM lParam) 
{ 
    switch (message) 
    { 
        case WM_COMMAND: 
            switch (LOWORD(wParam)) 
            { 
                case IDOK: 
                    //do something 
                    // Fall through. 
 
                case IDCANCEL: 
                     // do something else
                    return TRUE; 
            } 
    } 
    return FALSE; 
}