PROPID_M_SRC_MACHINE_ID
Applies To: Windows 10, Windows 7, Windows 8, Windows 8.1, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server Technical Preview, Windows Vista
(Read-only.) The PROPID_M_SRC_MACHINE_ID property provides the identifier of the computer that sent the message.
Property ID
PROPID_M_SRC_MACHINE_ID
Type Indicator
VT_CLSID
MQPROPVARIANT Field
puuid
Property Value
Globally unique identifier (GUID) of the source computer.
Remarks
The PROPID_M_SRC_MACHINE_ID property is used only by the receiving application when calling MQReceiveMessage or MQReceiveMessageByLookupId.
This property returns the GUID of the computer without the enclosing braces.
To retrieve the identifier of the source computer, include PROPID_M_SRC_MACHINE_ID in the MQMSGPROPS structure, then call MQReceiveMessage or MQReceiveMessageByLookupId and examine the returned value.
Equivalent COM Property
With COM components, the equivalent property is MSMQMessage.SourceMachineGuid.
Example Code
The following code fragment shows PROPID_M_SRC_MACHINE_ID is specified in arrays that can be used to initialize an MQMSGPROPS structure for retrieving the GUID of the computer that sent the message.
CLSID guidBuffer = 0;
aMsgPropId[i] = PROPID_M_SRC_MACHINE_ID; // Property ID
aMsgPropVar[i].vt = VT_CLSID; // Type indicator
aMsgPropVar[i].puuid = &guidBuffer;
i++;
See Also
Message Properties
MQMSGPROPS
MQReceiveMessage
MQReceiveMessageByLookupId
MSMQMessage.SourceMachineGuid