Using the Personal Communications DDE Interface
To start a DDE conversation and data exchange with Personal Communications, client application programs need to know the application program name, topic name, and item name that Personal Communications can recognize. The exchange data type between an application program and Personal Communications is defined with the combination of these names.
| Level | Description | Example |
|---|---|---|
| Application | A Windows task or a specific task of the application. In this book, application programs are Personal Communications. | IBM327032 IBM5250 |
| Topic | A specific part of application programs. | SessionA |
| Item | Type of data passed during DDE conversation. | PS (Presentation Space) |
- Application
- As a Windows DDE server, Personal Communications supports application name IBM327032 or IBM525032 for 32-bit applications, IBM3270 or IBM5250 for 16-bit applications.
- Topic
- Topic specifies the corresponding topic in the application.
The following table shows the topics available to the users:
Table 2. Topics for Personal Communications Topic Conversation Name Conversation Type System System conversation Cold link SessionA, SessionB, …, SessionZ Session conversation Cold link and hot link SessA_xxxx, SessB_xxxx, …, SessZ_xxxx Session conversation Hot link - Item
- The client application programs can exchange data and information with Personal Communications. Types of data and information are specified by item name.
Explanations for topic conversation procedures and data items to be used follow.