2.2.31 DPSP_MSG_GROUPDATACHANGED

The DPSP_MSG_GROUPDATACHANGED packet is sent to inform all participants that group data has changed.


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DPSP_MSG_HEADER (28 bytes)

...

...

IDTo

GroupID

dwDataSize

dwDataOffset

GroupData (variable)

...

DPSP_MSG_HEADER (28 bytes): Message header for this packet. The Command Value member of this field MUST be set to 17 (0x11).

IDTo (4 bytes): Ignored. SHOULD be set to zero when sent and MUST be ignored on receipt.

GroupID (4 bytes): MUST be set to the identifier of the groups whose data is being set.

dwDataSize (4 bytes): MUST be set to the length of GroupData.

dwDataOffset (4 bytes): MUST be set to the offset, in octets, of GroupData from the beginning of the message.

GroupData (variable): Byte array that contains application data associated with the groups.