Dynamic method or message handler not allowed here
In ACF / TCAM, the place to which a message being handled by a message handler is to be sent.
Links EXEC CICS LINK to the CICS Business application each message handler needs logic to decide which program to call.
But here we use the call back function of second drive class with the first window, so we can't executer the message handler of first window.
The trouble with this approach is that your message handler is called many times to notify you of events that are not relevant for your plug-in.
The "glue code" we need to write for Form1 is just a line in the message handler to request the business layer execute the appropriate logic.
