TRVCamReceiver.OnReceiveCmdData

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Occurs in response to TRVCamSender.SendCmd

type // defined in MRVType unit

  TRVCmdReadEvent = procedure(Sender: TObject; SessionKey: TRVSessionKey

  Cmd: TRVCmd; ASocket: TRVSocket; nGUIDFrom, nGUIDTo, nGUIDGroup : TGUID) of object;

property OnReceiveCmdData: TRVCmdReadEvent;

This event occurs after the receiver receives a command sent by TRVCamSender (either directly or via TRVMediaServer).

Parameters:

Cmd – the command and its parameters.

nGUIDFrom – identifier of the sender which sent the command (TRVCamSender.GUIDFrom)

nGUIDGroup – identifier of the group on the server, if this command was sent to a group.

If you perform time consuming operations inside an event, it makes sense to compare values of SessionKey parameter and SessionKey property, to make sure that a connection was not closed or reopened.

By default, this event is not called when receiving system commands (having names starting from 'RV_' or 'RVS_'). If you want to call this event for these commands (for example, for debugging), assign FilterSystemCmd=False.