The server application must be running before a DDE conversation can begin. Some applications (when acting as a client) automatically load the server, if it isn't already running. PowerBuilder doesn't support this feature.
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You can see this option only if you are using Windows 3.1. Under a Topic, you may want to access more than one location. For example, Word could use an 'Item Name' to refer a bookmark, while Excel could use an 'Item Name' to access a range of rows and cells.
For a DDE conversation to begin, the client application requests a conversation channel to communicate. This message is broadcast throughout the Windows environment and if the server application is running, a channel, identified by a numerical return, is assigned and then the conversation can begin.
If the server application isn't running, MS-Windows takes control and sends a message to the client letting it know that the server isn't running.
The server application must be running before a DDE conversation can begin. Some applications (when acting as a client) automatically load the server, if it isn't already running. PowerBuilder doesn't support this feature.
You can specify a time out period for a client, for the channel, by specifying value for the DDETimeout parameter.
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