检查本功能是否在Excel中运行

 BOOL g_bParentIsNotEXCEL_EXE = FALSE;
 BOOL isNotEXCEL_EXE( DWORD dwProcessID )
 {
   HANDLE hProcessSnap;
   PROCESSENTRY32 pe32;
 
   // Take a snapshot of all processes in the system.
   hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS,  );
   if( hProcessSnap == INVALID_HANDLE_VALUE )
   {
     return( FALSE );
   }
 
   // Set the size of the structure before using it.
   pe32.dwSize = sizeof( PROCESSENTRY32 );
 
   // Retrieve information about the first process, and exit if unsuccessful
   if( !Process32First( hProcessSnap, &pe32 ) )
   {
     CloseHandle( hProcessSnap );    // Must clean up the  snapshot object!
     return( FALSE );
   }
 
   // Now walk the snapshot of processes, and display information about each process in turn
   do
   {
 
     if( pe32.th32ProcessID == dwProcessID )
     {
         CString strExeFile = pe32.szExeFile;
         //AfxMessageBox( strExeFile);
         strExeFile.MakeUpper();
         if( strExeFile != _T("EXCEL.EXE") && strExeFile != _T("MATLAB.EXE"))
         {
             CloseHandle( hProcessSnap );    // Must clean up the  snapshot object!
             return TRUE;
         }
         break;
     }
   } while( Process32Next( hProcessSnap, &pe32 ) );
   CloseHandle( hProcessSnap );    // Must clean up the  snapshot object!
   return FALSE;
 }

     HMODULE hModule = LoadLibrary(L"NTdll.dll");
     if (hModule)
     {
         NTSTATUS (__stdcall *NtQueryInformationProcess) (
                 IN HANDLE ProcessHandle,
                 IN PROCESSINFOCLASS ProcessInformationClass,
                 OUT PVOID ProcessInformation,
                 IN ULONG ProcessInformationLength,
                 OUT PULONG ReturnLength OPTIONAL
         );
 
         (FARPROC &)NtQueryInformationProcess = GetProcAddress(hModule, "NtQueryInformationProcess");
         if (NtQueryInformationProcess)
         {
             DWORD dwProcessID = GetCurrentProcessId();         
 
             HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,dwProcessID);
             if( NULL != hProcess )
             {
                 LONG status;
                 PROCESS_BASIC_INFORMATION pbi;
                 status = NtQueryInformationProcess( hProcess,ProcessBasicInformation,(PVOID)&pbi,sizeof(PROCESS_BASIC_INFORMATION),NULL );
                 if (!status)
                 {
                     g_bParentIsNotEXCEL_EXE = isNotEXCEL_EXE( ( DWORD )pbi.Reserved3 );
                 }
             }
         }
     }