Command DDEREQ
Function:
Request data from an application.
Syntax:
DDEREQ app topic "item"
| app | Specifies the application name to communicate with. |
| topic | Specifies the subject of the conversation. |
| item | A string containing the request. |
Note:
- Dynamic data exchange (DDE) is a protocol for interprocess communication.
- Command DDEREQ will wait, up to 60 seconds, for the requested data before displaying an error message.
- The data returned by the specified application is placed in the following environment variables :-
| 1. | DDEREQ | Contains the index value of the last environment variable that contains the data. |
| 2. | DDEREQ.0, DDEREQ.1, ... | Contains the requested data. |
- Example on using DDEREQ.
- Also see commands DDEEXEC and DDEPOKE.
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