XTYP_UNREGISTER
XTYP_UNREGISTER
A dynamic
data exchange (DDE) callback function receives the XTYP_UNREGISTER transaction
whenever a Dynamic Data Exchange Management Library (DDEML) server application
uses the DdeNameService
Parameters
uFmt
Not used.
hconv
Not used.
hsz1
Identifies
the base service name being unregistered.
hsz2
Identifies
the instance-specific service name being unregistered.
hdata
Not used.
dwData1
Not used.
dwData2
Not used.
Remarks
This
transaction is filtered if the application specified the CBF_SKIP_REGISTRATIONS
flag in the DdeInitialize function.
A application
cannot block this transaction type; the CBR_BLOCK return code is ignored.
An
application should use the hsz1 parameter to remove the service name
from the list of servers available to the user. An application should use the hsz2
parameter to identify which application instance has terminated.
See Also