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231 lines
6.6 KiB
231 lines
6.6 KiB
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/*
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*
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* This software is released under the provisions of the GPL version 2.
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* see file "COPYING". If that file is not available, the full statement
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* of the license can be found at
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*
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* http://www.fsf.org/licensing/licenses/gpl.txt
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*
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* Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
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*
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*/
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#ifndef _HXCLSNK_H_
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#define _HXCLSNK_H_
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/*
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* Forward declarations of some interfaces defined or used here-in.
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*/
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typedef _INTERFACE IHXClientAdviseSink IHXClientAdviseSink;
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typedef _INTERFACE IHXRequest IHXRequest;
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/****************************************************************************
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*
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* Interface:
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*
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* IHXClientAdviseSink
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*
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* Purpose:
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*
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* Interface supplied by client to core to receive notifications of
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* status changes.
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*
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* IID_IHXClientAdviseSink:
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*
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* {00000B00-0901-11d1-8B06-00A024406D59}
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*
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*/
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DEFINE_GUID(IID_IHXClientAdviseSink, 0x00000B00, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
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0xa0, 0x24, 0x40, 0x6d, 0x59);
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#undef INTERFACE
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#define INTERFACE IHXClientAdviseSink
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DECLARE_INTERFACE_(IHXClientAdviseSink, IUnknown)
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{
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/*
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* IUnknown methods
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*/
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STDTQT_METHOD(QueryInterface) (THIS_
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REFIID riid,
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void** ppvObj) PURE;
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STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
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STDMETHOD_(ULONG32,Release) (THIS) PURE;
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/*
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* IHXClientAdviseSink methods
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*/
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnPosLength
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* Purpose:
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* Called to advise the client that the position or length of the
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* current playback context has changed.
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*/
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STDTQT_METHOD(OnPosLength) (THIS_
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UINT32 ulPosition,
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UINT32 ulLength) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnPresentationOpened
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* Purpose:
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* Called to advise the client a presentation has been opened.
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*/
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STDTQT_METHOD(OnPresentationOpened) (THIS) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnPresentationClosed
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* Purpose:
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* Called to advise the client a presentation has been closed.
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*/
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STDTQT_METHOD(OnPresentationClosed) (THIS) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnStatisticsChanged
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* Purpose:
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* Called to advise the client that the presentation statistics
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* have changed.
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*/
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STDTQT_METHOD(OnStatisticsChanged) (THIS) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnPreSeek
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* Purpose:
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* Called by client engine to inform the client that a seek is
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* about to occur. The render is informed the last time for the
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* stream's time line before the seek, as well as the first new
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* time for the stream's time line after the seek will be completed.
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*
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*/
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STDTQT_METHOD(OnPreSeek) (THIS_
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ULONG32 ulOldTime,
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ULONG32 ulNewTime) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnPostSeek
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* Purpose:
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* Called by client engine to inform the client that a seek has
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* just occurred. The render is informed the last time for the
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* stream's time line before the seek, as well as the first new
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* time for the stream's time line after the seek.
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*
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*/
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STDTQT_METHOD(OnPostSeek) (THIS_
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ULONG32 ulOldTime,
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ULONG32 ulNewTime) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnStop
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* Purpose:
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* Called by client engine to inform the client that a stop has
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* just occurred.
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*
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*/
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STDTQT_METHOD(OnStop) (THIS) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnPause
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* Purpose:
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* Called by client engine to inform the client that a pause has
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* just occurred. The render is informed the last time for the
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* stream's time line before the pause.
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*
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*/
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STDTQT_METHOD(OnPause) (THIS_
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ULONG32 ulTime) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnBegin
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* Purpose:
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* Called by client engine to inform the client that a begin or
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* resume has just occurred. The render is informed the first time
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* for the stream's time line after the resume.
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*
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*/
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STDTQT_METHOD(OnBegin) (THIS_
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ULONG32 ulTime) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnBuffering
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* Purpose:
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* Called by client engine to inform the client that buffering
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* of data is occurring. The render is informed of the reason for
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* the buffering (start-up of stream, seek has occurred, network
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* congestion, etc.), as well as percentage complete of the
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* buffering process.
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*
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*/
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STDTQT_METHOD(OnBuffering) (THIS_
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ULONG32 ulFlags,
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UINT16 unPercentComplete) PURE;
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/************************************************************************
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* Method:
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* IHXClientAdviseSink::OnContacting
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* Purpose:
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* Called by client engine to inform the client is contacting
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* hosts(s).
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*
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*/
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STDTQT_METHOD(OnContacting) (THIS_
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const char* pHostName) PURE;
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};
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// $Private:
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/****************************************************************************
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*
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* Interface:
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*
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* IHXClientRequestSink
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*
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* Purpose:
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*
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* Enables top level clients to get notified of new URLs
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*
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*
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* IID_IHXClientRequestSink
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*
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* {00000B01-0901-11d1-8B06-00A024406D59}
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*
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*/
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DEFINE_GUID(IID_IHXClientRequestSink, 0x00000B01, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
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0xa0, 0x24, 0x40, 0x6d, 0x59);
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#undef INTERFACE
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#define INTERFACE IHXClientRequestSink
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DECLARE_INTERFACE_(IHXClientRequestSink, IUnknown)
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{
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/************************************************************************
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* Method:
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* IHXClientRequestSink::OnNewRequest
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* Purpose:
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* Inform TLC of the new request. The TLC may choose to
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* modify RequestHeaders at this time.
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*/
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STDTQT_METHOD(OnNewRequest) (THIS_ IHXRequest* pNewRequest) PURE;
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};
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// $EndPrivate.
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#endif /* _HXCLSNK_H_ */
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