IWSDiscoveryProvider::Attach method (wsddisco.h)

Article
02/22/2024

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
S_OK	Method completed successfully.
E_POINTER	pSink is NULL.
E_ABORT	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

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