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341 lines
7.4 KiB
341 lines
7.4 KiB
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1999-2001 Microsoft Corporation
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//
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// Module Name:
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// UINotification.cpp
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//
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// Description:
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// UINotification implementation.
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//
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// Maintained By:
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// David Potter (DavidP) 14-JUN-2001
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// Geoffrey Pease (GPease) 22-NOV-1999
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//
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// Notes:
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// The object implements a lightweight marshalling of data from the
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// free-threaded lower layers to the single-threaded, apartment model
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// UI layer.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "Pch.h"
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#include "UINotification.h"
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DEFINE_THISCLASS("CUINotification")
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extern BOOL g_fWait;
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extern IServiceProvider * g_psp;
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// ************************************************************************
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//
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// Constructor / Destructor
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// HRESULT
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// CUINotification::S_HrCreateInstance(
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// IUnknown ** ppunkOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CUINotification::S_HrCreateInstance(
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IUnknown ** ppunkOut
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)
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{
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TraceFunc( "" );
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HRESULT hr = S_OK;
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CUINotification * puin = NULL;
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Assert( ppunkOut != NULL );
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if ( ppunkOut == NULL )
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{
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hr = THR( E_POINTER );
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goto Cleanup;
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}
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puin = new CUINotification();
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if ( puin == NULL )
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{
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hr = THR( E_OUTOFMEMORY );
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goto Cleanup;
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}
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hr = THR( puin->HrInit() );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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hr = THR( puin->TypeSafeQI( IUnknown, ppunkOut ) );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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Cleanup:
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if ( puin != NULL )
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{
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puin->Release();
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}
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HRETURN( hr );
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} //*** CUINotification::S_HrCreateInstance
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//////////////////////////////////////////////////////////////////////////////
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//
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// Constructor
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//
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//////////////////////////////////////////////////////////////////////////////
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CUINotification::CUINotification( void )
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: m_cRef( 1 )
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{
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TraceFunc( "" );
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InterlockedIncrement( &g_cObjects );
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TraceFuncExit();
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} //*** CUINotification::CUINotification
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CUINotification::HrInit
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CUINotification::HrInit( void )
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{
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TraceFunc( "" );
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HRESULT hr = S_OK;
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// IUnknown
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Assert( m_cRef == 1 );
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HRETURN( hr );
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} //*** CUINotification::HrInit
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//////////////////////////////////////////////////////////////////////////////
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//
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// Destructor
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//
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//////////////////////////////////////////////////////////////////////////////
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CUINotification::~CUINotification( void )
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{
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TraceFunc( "" );
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HRESULT hr;
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IConnectionPoint * pcp = NULL;
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// IUnknown stuff
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Assert( m_cRef == 0 );
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AddRef(); // Add one count
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InterlockedDecrement( &g_cObjects );
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TraceFuncExit();
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} //*** CUINotification::~CUINotification
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// ************************************************************************
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//
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// IUnknown
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CUINotification::QueryInterface
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//
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// Description:
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// Query this object for the passed in interface.
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//
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// Arguments:
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// riidIn
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// Id of interface requested.
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//
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// ppvOut
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// Pointer to the requested interface.
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//
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// Return Value:
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// S_OK
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// If the interface is available on this object.
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//
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// E_NOINTERFACE
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// If the interface is not available.
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//
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// E_POINTER
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// ppvOut was NULL.
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//
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// Remarks:
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// None.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CUINotification::QueryInterface(
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REFIID riidIn
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, LPVOID * ppvOut
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)
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{
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TraceQIFunc( riidIn, ppvOut );
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HRESULT hr = S_OK;
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//
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// Validate arguments.
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//
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Assert( ppvOut != NULL );
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if ( ppvOut == NULL )
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{
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hr = THR( E_POINTER );
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goto Cleanup;
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}
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//
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// Handle known interfaces.
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//
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if ( IsEqualIID( riidIn, IID_IUnknown ) )
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{
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*ppvOut = static_cast< IUnknown * >( this );
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} // if: IUnknown
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else if ( IsEqualIID( riidIn, IID_INotifyUI ) )
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{
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*ppvOut = TraceInterface( __THISCLASS__, INotifyUI, this, 0 );
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} // else if: INotifyUI
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else
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{
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*ppvOut = NULL;
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hr = E_NOINTERFACE;
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}
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//
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// Add a reference to the interface if successful.
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//
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if ( SUCCEEDED( hr ) )
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{
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((IUnknown *) *ppvOut)->AddRef();
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} // if: success
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Cleanup:
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QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
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} //*** CUINotification::QueryInterface
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CUINotification::AddRef
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_( ULONG )
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CUINotification::AddRef( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedIncrement( &m_cRef );
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CRETURN( m_cRef );
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} //*** CUINotification::AddRef
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CUINotification::Release
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_( ULONG )
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CUINotification::Release( void )
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{
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TraceFunc( "[IUnknown]" );
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LONG cRef;
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cRef = InterlockedDecrement( &m_cRef );
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if ( cRef == 0 )
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{
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TraceDo( delete this );
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}
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CRETURN( cRef );
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} //*** CUINotification::Release
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// ************************************************************************
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//
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// INotifyUI
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CUINotification::ObjectChanged(
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// DWORD cookieIn
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CUINotification::ObjectChanged(
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LPVOID cookieIn
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)
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{
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TraceFunc1( "[INotifyUI] cookieIn = 0x%08x", cookieIn );
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HRESULT hr = S_OK;
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DebugMsg( "UINOTIFICATION: cookie %#x has changed.", cookieIn );
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if ( m_cookie == cookieIn )
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{
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//
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// Done waiting...
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//
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g_fWait = FALSE;
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}
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HRETURN( hr );
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} //*** CUINotification::ObjectChanged
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//****************************************************************************
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//
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// Semi-Public
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//
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//****************************************************************************
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HRESULT
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CUINotification::HrSetCompletionCookie(
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OBJECTCOOKIE cookieIn
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)
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{
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TraceFunc1( "cookieIn = %p", cookieIn );
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m_cookie = cookieIn;
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HRETURN( S_OK );
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} //*** CUINotification::HrSetCompletionCookie
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