ISpTaskManager::QueueTask

This method adds a task to the queue for asynchronous task processing.

HRESULT QueueTask(
  ISpTask pTask, 
  void* pvTaskData, 
  HANDLE hCompEvent, 
  DWORD** pdwGroupId,
  DWORD** pTaskID
);

pTask
[in] Pointer to an object implementing ISpTask that represents the task.
pvTaskData
[in] Pointer to task data that will be passed to the ISpTask::Execute method.
hCompEvent
[in] Handle to the task completion event. This parameter can be NULL. This event will be set when the ISpTask::Execute method returns.
pdwGroupId
[in, out] On input, pointer to the identifier for the task group. On output, address of a pointer to this identifier. This parameter can be NULL. It can be used to cancel a group of pending tasks.
pTaskID
[out] Address of a pointer to the identifier for the task. This parameter can be NULL if the information is not needed.

The following table shows the possible return values.

Value	Description
S_OK	Function completed successfully.
E_INVALIDARG	pTask is invalid or bad.
E_POINTER	pTaskId or pdwGroupId is invalid or bad.
FAILED(hr)	Appropriate error message.

OS Versions: Windows CE .NET 4.1 and later.
Header: Sapiddk.h, Sapiddk.idl.
Link Library: Sapilib.lib.

Additional resources