Contoh Kode C/C++: Mengambil Informasi Akun Tugas

Contoh kode ini mengambil informasi akun tugas yang diketahui dan menampilkan nama akun di layar. Contoh ini mengasumsikan bahwa tugas dan tugas pengujian sudah ada di komputer lokal dan bahwa Penjadwal Tugas sedang berjalan.

#include <windows.h>
#include <initguid.h>
#include <ole2.h>
#include <mstask.h>
#include <msterr.h>
#include <wchar.h>

int main(int argc, char **argv)
{
  HRESULT hr = S_OK;
  
  
  ///////////////////////////////////////////////////////////////////
  // Call CoInitialize to initialize the COM library and then
  // call CoCreateInstance to get the Task Scheduler object.
  ///////////////////////////////////////////////////////////////////
  ITaskScheduler *pITS;
  hr = CoInitialize(NULL);
  if (SUCCEEDED(hr))
  {
    hr = CoCreateInstance(CLSID_CTaskScheduler,
                          NULL,
                          CLSCTX_INPROC_SERVER,
                          IID_ITaskScheduler,
                          (void **) &pITS);
    if (FAILED(hr))
    {
      CoUninitialize();
      return 1;
    }
  }
  else
  {
     return 1;
  }
  
  
  ///////////////////////////////////////////////////////////////////
  // Call ITaskScheduler::Activate to get the Task object.
  ///////////////////////////////////////////////////////////////////
  ITask *pITask;
  LPCWSTR lpcwszTaskName;
  lpcwszTaskName = L"Test Task";
  hr = pITS->Activate(lpcwszTaskName,
                      IID_ITask,
                      (IUnknown**) &pITask);
  
  //Release ITaskScheduler interface.
  pITS->Release();
  
  if (FAILED(hr))
  {
    wprintf(L"Failed calling ITaskScheduler::Activate: ");
    wprintf(L"error = 0x%x\n",hr);
    CoUninitialize();
    return 1;
  }
  
  
  ///////////////////////////////////////////////////////////////////
  // Call ITask::GetAccountInformation. Note that this method is 
  // inherited from IScheduledWorkItem.
  ///////////////////////////////////////////////////////////////////
  LPWSTR pwszAccountName;
  
  hr = pITask->GetAccountInformation(&pwszAccountName);
  
  // Release the ITask interface.
  pITask->Release();

  if(hr == SCHED_E_NO_SECURITY_SERVICES)
  {
    wprintf(L"Error: SCHED_E_NO_SECURITY_SERVICES");
    wprintf(L"Security services are available only on Windows Server 2003");
    wprintf(L", Windows XP, and Windows 2000.");
    CoUninitialize();
    return 1;

  }
  
  if (FAILED(hr))
  {
    wprintf(L"Failed calling ITask::GetAccountInformation: ");
    wprintf(L"error = 0x%x\n",hr);
    CoUninitialize();
    return 1;
  }
  
  
  wprintf(L"The account name for Test Task is: ");
  wprintf(L"  %s\n",pwszAccountName);
  
  CoTaskMemFree(pwszAccountName);
  CoUninitialize();
  return 0;
}

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