Exemplo de código C/C++: Enumerando tarefas
Este exemplo enumera todas as tarefas na pasta Tarefas Agendadas do computador local e imprime o nome de cada tarefa na tela.
#include <windows.h>
#include <initguid.h>
#include <ole2.h>
#include <mstask.h>
#include <msterr.h>
#include <wchar.h>
#define TASKS_TO_RETRIEVE 5
int main(int argc, char **argv)
{
HRESULT hr = S_OK;
ITaskScheduler *pITS;
/////////////////////////////////////////////////////////////////
// Call CoInitialize to initialize the COM library and
// then call CoCreateInstance to get the Task Scheduler object.
/////////////////////////////////////////////////////////////////
hr = CoInitialize(NULL);
if (SUCCEEDED(hr))
{
hr = CoCreateInstance(CLSID_CTaskScheduler,
NULL,
CLSCTX_INPROC_SERVER,
IID_ITaskScheduler,
(void **) &pITS);
if (FAILED(hr))
{
CoUninitialize();
return hr;
}
}
else
{
return hr;
}
/////////////////////////////////////////////////////////////////
// Call ITaskScheduler::Enum to get an enumeration object.
/////////////////////////////////////////////////////////////////
IEnumWorkItems *pIEnum;
hr = pITS->Enum(&pIEnum);
pITS->Release();
if (FAILED(hr))
{
CoUninitialize();
return hr;
}
/////////////////////////////////////////////////////////////////
// Call IEnumWorkItems::Next to retrieve tasks. Note that
// this example tries to retrieve five tasks for each call.
/////////////////////////////////////////////////////////////////
LPWSTR *lpwszNames;
DWORD dwFetchedTasks = 0;
while (SUCCEEDED(pIEnum->Next(TASKS_TO_RETRIEVE,
&lpwszNames,
&dwFetchedTasks))
&& (dwFetchedTasks != 0))
{
///////////////////////////////////////////////////////////////
// Process each task. Note that this example prints the
// name of each task to the screen.
//////////////////////////////////////////////////////////////
while (dwFetchedTasks)
{
wprintf(L"%s\n", lpwszNames[--dwFetchedTasks]);
CoTaskMemFree(lpwszNames[dwFetchedTasks]);
}
CoTaskMemFree(lpwszNames);
}
pIEnum->Release();
CoUninitialize();
return S_OK;
}
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