In this section we will explore how DDE can be used in a VisualAge application to exchange data with other commercial software. We'll first build a VisualAge DDE server application that will send data to a Lotus 1-2-3 for OS/2 Release 2.0 spreadsheet. We will also build a VisualAge DDE client application that will receive data from a Microsoft Excel for Windows 4.0 spreadsheet.
If you don't have these particular commercial software packages try to change the instructions to fit an application you do have. The key is that the application can act as a DDE client in the first example, and as a DDE server in the second example.