Called by the resource manager or the resource manager proxy to get a pointer to the ITransaction interface on the calling thread.
HRESULT Lookup ( ITransaction ** ppTransaction);
ppTransaction [out]
The ITransaction interface which the calling thread is on.
S_OK
Success.
XACT_E_NOTRANSACTION
The calling thread is not associated with any transaction.
E_INVALIDARG
One or more of the parameters are not valid.
XACT_E_ABORTED
The transaction which the thread was on has aborted, possibly due to timeout or unilateral abort.