我想使用c ++检查Task调度程序中的任务触发器。我想使用函数HRESULT get_Type(TASK_TRIGGER_TYPE2 * pType);检查任务是登录还是引导触发。
TASK_STATE taskState;
for (LONG i = 0; i < numTasks; i++)
{
IRegisteredTask* pRegisteredTask = NULL;
hr = pTaskCollection->get_Item(_variant_t(i + 1), &pRegisteredTask);
if (SUCCEEDED(hr))
{
BSTR taskName = NULL;
TASK_TRIGGER_TYPE2 *pType = NULL;
hr = pRegisteredTask->get_Name(&taskName);
if (SUCCEEDED(hr))
{
printf("\nTask Name: %S", taskName);
SysFreeString(taskName);
hr = pRegisteredTask->get_Type(*pType); //Implemented here
if (SUCCEEDED(hr))
printf("\n%s",&pType);
else
printf("\n\tCannot get the registered task state: %x", hr);
}
hr = pRegisteredTask->get_State(&taskState);
if (SUCCEEDED(hr))
printf("\n\tState: %d", taskState);
else
printf("\n\tCannot get the registered task state: %x", hr);
}
else
{
printf("\nCannot get the registered task name: %x", hr);
}
pRegisteredTask->Release();
}
else
{
printf("\nCannot get the registered task item at index=%d: %x", i + 1, hr);
}
}
在编译时,它给出了一个错误,说“IRegisteredTask没有成员get_Type()”
然后我修改了代码并添加了ITrigger * trig = NULL;时触发> get_Type(PTYPE);
但这也没有给我任何价值
以下是我可以尝试的代码片段:
for (LONG i = 0; i < numTasks; i++)
{
IRegisteredTask* pRegisteredTask = NULL;
hr = pTaskCollection->get_Item(_variant_t(i + 1), &pRegisteredTask);
if (SUCCEEDED(hr))
{
BSTR taskName = NULL;
hr = pRegisteredTask->get_Name(&taskName);
if (SUCCEEDED(hr))
{
printf("\nTask Name: %S", taskName);
SysFreeString(taskName);
hr = pRegisteredTask->get_State(&taskState);
if (SUCCEEDED(hr))
printf("\n\tState: %d", taskState);
else
printf("\n\tCannot get the registered task state: %x", hr);
}
else
{
printf("\nCannot get the registered task name: %x", hr);
}
ITaskDefinition* taskDef = NULL;
hr = pRegisteredTask->get_Definition(&taskDef);
if (SUCCEEDED(hr))
{
ITriggerCollection* triggers = NULL;
taskDef->get_Triggers(&triggers);
LONG trigCnt = 0;
triggers->get_Count(&trigCnt);
for (LONG i = 0; i < trigCnt; i++)
{
ITrigger* trig = NULL;
TASK_TRIGGER_TYPE2 pType = TASK_TRIGGER_EVENT;
triggers->get_Item(_variant_t(i + 1), &trig);
trig->get_Type(&pType);
DWORD errCode = GetLastError();
if(pType != NULL)
printf("\nTrigger Type : %d", pType);
}
}
else
{
printf("\nCannot get the registered task definition: %x", hr);
}
pRegisteredTask->Release();
}
else
{
printf("\nCannot get the registered task item at index=%d: %x", i + 1, hr);
}
}
看看documentation,看起来在你有一个IRegisteredTask后,你需要调用get_Definition()来获取它的ITaskDefinition。
使用ITaskDefinition,您可以通过get_Triggers()获取ITriggerCollection
然后,枚举ITriggerCollection,您可以在每个ITrigger的QueryInterface()中查看它是否支持ILogonTrigger或IBootTrigger接口。