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212 lines
4.6 KiB
212 lines
4.6 KiB
//**********************************************************************
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// File name: IEC.CPP
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//
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// Implementation file for the CExternalConnection Class
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//
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// Functions:
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//
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// See iec.h for a list of member functions.
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//
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// Copyright (c) 1993 Microsoft Corporation. All rights reserved.
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//**********************************************************************
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#include "pre.h"
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#include "obj.h"
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#include "iec.h"
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#include "app.h"
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#include "doc.h"
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//**********************************************************************
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//
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// CExternalConnection::QueryInterface
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//
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// Purpose:
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//
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//
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// Parameters:
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//
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// REFIID riid - Interface being queried for.
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//
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// LPVOID FAR *ppvObj - Out pointer for the interface.
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//
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// Return Value:
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//
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// S_OK - Success
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// E_NOINTERFACE - Failure
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//
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// Function Calls:
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// Function Location
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//
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// CSimpSvrObj::QueryInterface OBJ.CPP
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//
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// Comments:
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//
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//
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//********************************************************************
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STDMETHODIMP CExternalConnection::QueryInterface (REFIID riid, LPVOID FAR* ppvObj)
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{
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TestDebugOut("In CExternalConnection::QueryInterface\r\n");
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return m_lpObj->QueryInterface(riid, ppvObj);
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}
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//**********************************************************************
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//
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// CExternalConnection::AddRef
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//
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// Purpose:
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//
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// Increments the reference count on CExternalConnection and the "object"
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// object.
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//
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// Parameters:
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//
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// None
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//
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// Return Value:
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//
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// The Reference count on the Object.
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//
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// Function Calls:
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// Function Location
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//
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// OuputDebugString Windows API
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// CSimpSvrObj::AddRef OBJ.CPP
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//
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// Comments:
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//
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//
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//********************************************************************
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STDMETHODIMP_(ULONG) CExternalConnection::AddRef ()
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{
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TestDebugOut("In CExternalConnection::AddRef\r\n");
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++m_nCount;
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return m_lpObj->AddRef();
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};
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//**********************************************************************
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//
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// CExternalConnection::Release
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//
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// Purpose:
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//
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// Decrements the reference count of COleObject and the
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// "object" object.
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//
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// Parameters:
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//
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// None
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//
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// Return Value:
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//
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// The new reference count
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//
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// Function Calls:
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// Function Location
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//
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// TestDebugOut Windows API
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// CSimpSvrObj::Release OBJ.CPP
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//
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// Comments:
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//
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//
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//********************************************************************
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STDMETHODIMP_(ULONG) CExternalConnection::Release ()
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{
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TestDebugOut("In CExternalConnection::Release\r\n");
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--m_nCount;
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return m_lpObj->Release();
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};
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//**********************************************************************
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//
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// CExternalConnection::AddConnection
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//
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// Purpose:
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//
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// Called when another connection is made to the object.
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//
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// Parameters:
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//
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// DWORD extconn - Type of connection
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//
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// DWORD reserved - Reserved
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//
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// Return Value:
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//
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// Strong connection count
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//
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// Function Calls:
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// Function Location
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//
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// TestDebugOut Windows API
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//
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// Comments:
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//
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//
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//********************************************************************
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STDMETHODIMP_(DWORD) CExternalConnection::AddConnection (DWORD extconn, DWORD reserved)
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{
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TestDebugOut("In CExternalConnection::AddConnection\r\n");
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if (extconn & EXTCONN_STRONG)
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return ++m_dwStrong;
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return 0;
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}
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//**********************************************************************
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//
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// CExternalConnection::ReleaseConnection
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//
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// Purpose:
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//
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// Called when a connection to the object is released.
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//
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// Parameters:
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//
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// DWORD extconn - Type of Connection
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//
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// DWORD reserved - Reserved
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//
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// BOOL fLastReleaseCloses - Close flag
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//
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// Return Value:
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//
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// The new reference count
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//
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// Function Calls:
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// Function Location
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//
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// TestDebugOut Windows API
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// COleObject::Close IOO.CPP
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//
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// Comments:
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//
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//
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//********************************************************************
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STDMETHODIMP_(DWORD) CExternalConnection::ReleaseConnection (DWORD extconn, DWORD reserved, BOOL fLastReleaseCloses)
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{
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TestDebugOut("In CExternalConnection::ReleaseConnection\r\n");
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if (extconn & EXTCONN_STRONG)
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{
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DWORD dwSave = --m_dwStrong;
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if (!m_dwStrong && fLastReleaseCloses)
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m_lpObj->m_OleObject.Close(OLECLOSE_SAVEIFDIRTY);
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return dwSave;
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}
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return 0;
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}
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