IMcastAddressAllocation::EnumerateScopes method (mdhcp.h)

Article
02/22/2024

[Rendezvous IP Telephony Conferencing controls and interfaces are not available for use in Windows Vista, Windows Server 2008, and subsequent versions of the operating system. The RTC Client API provides similar functionality.]

The EnumerateScopes method creates an enumeration of multicast scopes available. This method is primarily for C++ programmers. Visual Basic and other scripting languages use get_Scopes instead.

Syntax

HRESULT EnumerateScopes(
  [out] IEnumMcastScope **ppEnumMcastScope
);

Parameters

[out] ppEnumMcastScope

Returns a pointer to a new IEnumMcastScope object.

Return value

This method can return one of these values.

Value	Meaning
S_OK	Method succeeded.
E_POINTER	The caller passed in an invalid pointer argument.
E_FAIL	There are no scopes available.
E_OUTOFMEMORY	Not enough memory exists to create the required objects.

Remarks

TAPI calls the AddRef method on the IEnumMcastScope interface returned by IMcastAddressAllocation::EnumerateScopes. The application must call Release on the IEnumMcastScope interface to free resources associated with it.

Requirements

Requirement	Value
Target Platform	Windows
Header	mdhcp.h
Library	Uuid.lib
DLL	Mdhcp.dll

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