WM_DDE_UNADVISE
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This message is posted by a client application to a server application to indicate that the specified item should no longer be updated. This message is always posted.
Syntax
param1 HWND hwnd; /* Window handle of a sender. */ param2 PDDESTRUCT DdeStruct; /* DDE structure. */
Parameters
- hwnd (HWND) - input
- Window handle of a sender.
- DdeStruct (PDDESTRUCT) - input
- DDE structure.
- This points to a dynamic data exchange structure (see DDESTRUCT).
- offszItemName identifies which data update request is to be retracted. If this is a zero-
- length string, data update requests for all items are retracted.
Returns
- ulReserved (ULONG) - return
- Reserved value, should be 0.
Remarks
The receiving application is expected to reply with a positive WM_DDE_ACK message if it can honor the request, or a negative one if it cannot.
Default Processing
None.