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DDE functions and events – PB Docs 2019 – PowerBuilder Library

DDE functions and events – PB Docs 2019

DDE
functions and events

The following tables list the DDE functions and events separated
into those functions and events used by DDE clients and those used by DDE
servers. For more information on DDE support, see the PowerScript
Reference.

Return values

Every DDE function returns an integer.

DDE client

Function

Action

CloseChannel

Closes a channel to a DDE server application that was
opened using OpenChannel.

ExecRemote

Asks a DDE server application to execute a
command.

GetDataDDE

Obtains the new data from a hot-linked DDE server
application and moves it into a specified string.

GetDataDDEOrigin

Determines the origin of data that has arrived from a
hot-linked DDE server application.

GetRemote

Asks a DDE server application for data. This function
has two formats: one that uses a channel and one that does
not.

OpenChannel

Opens a DDE channel to a specified DDE server
application.

RespondRemote

Indicates to the DDE server application whether the
command or data received from the DDE application was acceptable
to the DDE client.

SetRemote

Asks a DDE server application to set an item such as
a cell in a worksheet or a variable to a specific value. This
function has two formats: one that uses a DDE channel and one that
does not.

StartHotLink

Initiates a hot link to a DDE server application so
that PowerBuilder is immediately notified of specific data changes
in the DDE server application.

StopHotLink

Ends a hot link with a DDE server
application.

Event

Occurs when

HotLinkAlarm

A DDE server application has sent new (changed)
data.

DDE server

Function

Action

GetCommandDDE

Obtains the command sent by a DDE client
application

GetCommandDDEOrigin

Determines the origin of a command from a DDE
client

GetDataDDE

Gets data that a DDE client application has sent and
moves it into a specified string

GetDataDDEOrigin

Determines the origin of data that has arrived from a
hot-linked DDE client application

RespondRemote

Indicates to the sending DDE client application
whether the command or data received from the DDE application was
acceptable to the DDE server

SetDataDDE

Sends specified data to a DDE client
application

StartServerDDE

Causes a PowerBuilder application to begin acting as
a DDE server

StopServerDDE

Causes a PowerBuilder application to stop acting as a
DDE server

Event

Occurs when

RemoteExec

A DDE client application has sent a
command

RemoteHotLinkStart

A DDE client application wants to start a hot
link

RemoteHotLinkStop

A DDE client application wants to end a hot
link

RemoteRequest

A DDE client application has requested
data

RemoteSend

A DDE client application has sent data


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