<div class="content"><p>This method returns the <a href="../ms-dtco/f5911ac2-7663-477b-bf76-8d4d01cc090c" data-linktype="relative-path">Propagation_Token</a>
(<a href="../ms-dtco/c367c571-33f3-44ac-85cb-4b9ebbb2779d" data-linktype="relative-path">[MS-DTCO]</a>
section 2.2.5.4) of the currently active transaction, or returns an error if
the specified <a href="482ab606-0b55-4821-8b6d-d453351406c5#gt_ef97ef16-ebb2-45e5-8543-d1b189bdb659" data-linktype="relative-path">TSN</a> is not
the same as the CurrentTSN value.</p><dl>
<dd>
<div><pre> HRESULT GetTxViaTransmitter(
   [in] unsigned long ulRequestSeq,
   [out] unsigned long* pulcbTransmitterBuffer,
   [out, size_is(,*pulcbTransmitterBuffer)] 
     BYTE** prgbTransmitterBuffer
 );
</pre></div>
</dd></dl><p><b>ulRequestSeq: </b>The caller&#39;s TSN of the
currently active <a href="482ab606-0b55-4821-8b6d-d453351406c5#gt_61e1de21-a78d-4d20-b184-eda380386871" data-linktype="relative-path">transaction</a>.</p><p><b>pulcbTransmitterBuffer: </b>The unsigned size, in
bytes, of <i>prgbTransmitterBuffer</i>.</p><p><b>prgbTransmitterBuffer: </b>A Propagation_Token of
the currently active transaction.</p><p><b>Return Values: </b>The method MUST return a
positive value or zero to indicate successful completion, or a negative value
to indicate failure. The client MUST treat any negative return value as a fatal
error.</p><p>When processing this <a href="482ab606-0b55-4821-8b6d-d453351406c5#gt_d4ad46fe-cbab-43f2-a125-b2f125824f33" data-linktype="relative-path">ORPC</a> call, if <i>ulRequestSeq</i>
is the same as the CurrentTSN, the <a href="e105692e-61da-49dd-9bb1-09cd6b8c67bc" data-linktype="relative-path">ITransactionStream
Server (section 3.23)</a> MUST:</p><ul><li><p><span><span> 
</span></span>Set <i>pulcbExportCookie</i> to the size of <i>prgbExportCookie</i>.</p>
</li><li><p><span><span> 
</span></span>Copy Propagation_Token of the currently active transaction to the
<i>prgbExportCookie</i> out parameter.</p>
</li></ul><p>Otherwise, the ITransactionStream Server MUST return
CONTEXT_E_ABORTED.</p></div>