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Attaches a callback interface to the discovery provider.
Syntax
HRESULT Attach(
[in] IWSDiscoveryProviderNotify *pSink
);
Parameters
[in] pSink
Interface to receive callback notifications. Search results as well as the Hello and Bye messages are communicated to this interface via the callbacks.
Return value
Possible return values include, but are not limited to, the following:
| Return code | Description |
|---|---|
|
Method completed successfully. |
|
pSink is NULL. |
|
A callback interface has already been attached to the provider. |
Remarks
Note Attach must be called before any other IWSDiscoveryProvider method is used, except for SetAddressFamily.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | wsddisco.h (include Wsdapi.h) |
| DLL | Wsdapi.dll |