Contoh Kode C/C++: Mengambil Tugas NextRun Time

Contoh ini mengambil lain kali tugas dijadwalkan untuk dijalankan dan menampilkan waktu tersebut di layar. Contoh ini mengasumsikan bahwa tugas dan tugas pengujian sudah ada di komputer lokal.

#include <windows.h>
#include <wchar.h>
#include <stdio.h>
#include <initguid.h>
#include <ole2.h>
#include <mstask.h>
#include <msterr.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 = 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::GetNextRunTime and display next run time of 
  // this task.
  ///////////////////////////////////////////////////////////////////

  SYSTEMTIME pstNextRun;
    
  hr = pITask->GetNextRunTime(&pstNextRun);
  
  // Release the ITask interface.
  pITask->Release();

  if (FAILED(hr))
  {
    wprintf(L"Failed calling GetNextRunTime: ");
    wprintf(L"error = 0x%x\n", hr);
    CoUninitialize();
    return 1;
  }

  wprintf(L"The next runtime for this task is: \n");
  wprintf(L"  %u/%u/%u \t %u:%02u\n", pstNextRun.wMonth,
                                      pstNextRun.wDay,
                                      pstNextRun.wYear,
                                      pstNextRun.wHour,
                                      pstNextRun.wMinute);
 

  CoUninitialize();

  return 0;
}

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