Initiate Session Conversation


3270	5250	VT
Yes	Yes	Yes

The Initiate Session Conversation function connects a client application to an available session of Personal Communications. Once a session conversation has been established, the session is reserved for exclusive use by the client until the conversation is terminated.

The client application sends the following message to initiate a DDE conversation with a session:

SendMessage( -1,
             WM_DDE_INITIATE,
             hClientWnd,
             MAKELONG(aIBM327032, aSessionN) );

where:


aIBM327032	Identifies the application atom. The string used to create atom aIBM3270 is IBM3270. In the PC400, the application atom is aIBM5250 and the string IBM5250 is used to create it.
aSessionN	Identifies the topic atom. The string used to create atom aSessionN is either NULL or Session appended with the session ID A, B, …, Z.