Win7,xp计划任务枚举-接口方式

#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; }