The ENVIBroadcastChannel calls this method to forward messages to all of its subscribers.

Syntax

---

In most cases, the OnMessage method should only be called by ENVIBroadcastChannel::Broadcast. When called explicitly, the syntax is as follows:

Obj -> [ENVIMessageHandler::]OnMessage, Message

Arguments

---

Message

The message can be any data type or object. For example, the ENVI user interface subscribes to the broadcast channel to handle message of type ENVIStartMessage, ENVIProgressMessage, and ENVIFinishMessage. Any other type of submission is ignored.

Routine Signature

---

Implement the method with the following signature:

PRO class::OnMessage, Message

Version History

---

ENVI 5.3

Introduced

API Version

---

4.2

See Also

---

ENVIMessageHandler, ENVIBroadcastChannel