Get System Topics
| 3270 | 5250 | VT |
|---|---|---|
| Yes | Yes | Yes |
The Get System Topics function returns the
list of active DDE topics currently supported by Personal Communications. The client
application sends the following message to the system topic to retrieve
the list of topics that are currently active:
PostMessage( hServerWnd,
WM_DDE_REQUEST,
hClientWnd,
MAKELONG(cfFormat, aTOPICS) );where:
| cfFormat | Identifies the DDE format for the data item requested. The value used is CF_TEXT. |
| aTOPICS | Identifies topics as the data item requested. |