J Commands & Events

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# J Commands and Events

The following summarizes the Window Driver commands and event types. Here:

`S` | is the service name
`T` | is a topic
`I` | is an item
`D` | is some data

Server commands:

`ddename S` | set service name `S`
`ddereqd D` | provide data `D` to a ddereq event. It must be the first command given after a ddereq event is received.
`ddeadvise T I D` | provides data `D` to advise loops with given topic and item. It returns 0 if the loop is no longer active.

Server events:

`ddepoke` | data has been sent
`ddeex` | execute command string
`ddereq` | request for data
`ddestart` | request to start advise loop

Client commands:

`ddecons` | return conversation names (service and topic)
`ddedis [S [T]]` | disconnect
`ddeex S T D` | execute command in server
`ddepoke S T I D` | poke data to server
`ddereq S T I` | request data from server
`ddestart S T I` | start advise loop
`ddestop S T I` | top advise loop

Client events:

`result` | answer to ddereq query
`ddeadvise` | new data from advise loop

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