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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 It returns 0 if the loop is no longer active.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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