2.2.2.1.2 TransactionStream

The TransactionStream structure is used when the client passes a reference to the client's ITransactionStream interface and conveys information about the capabilities of the DTCO transaction manager implementation on the client.

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
Header (24 bytes)
...
...
DtcCapabilities																MarshalSize
...																TransactionStream (variable)
...
…								IsolationLevel (optional)
...

Header (24 bytes): A TransactionContextPropertyHeader; the StreamVariant field of the structure MUST be set to 0x0001.

DtcCapabilities (2 bytes): A bitwise OR of one or more of the values defined in section 2.2.6.1 indicating the capabilities of the client’s DTCO transaction manager.

MarshalSize (4 bytes): The (unsigned) size in bytes of TransactionStream.

TransactionStream (variable): An OBJREF instance containing a marshaled ITransactionStream interface instance.

IsolationLevel (optional) (4 bytes): The Transaction Isolation Level (section 2.2.6.2) used by the COM+ client. This field MUST be present if the MaxVersion field of the header is 0x0002; otherwise, this field MUST NOT be present.