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Deregisters a callback.
Syntax
HRESULT UnregisterWaitHandleCallback(
[in] DWORD cookie
);
Parameters
[in] cookie
The unique ID of the event callback instance.
Return value
If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 [desktop apps only] |
| Minimum supported server | Windows Server 2012 [desktop apps only] |
| Target Platform | Windows |
| Header | directmanipulation.h |