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 All DDE functions return 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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