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//**********************************************************************
// File name: IEC.CPP
//
// Implementation file for the CExternalConnection Class
//
// Functions:
//
// See iec.h for a list of member functions.
//
// Copyright (c) 1993 Microsoft Corporation. All rights reserved.
//**********************************************************************
#include "pre.h"
#include "obj.h"
#include "iec.h"
#include "app.h"
#include "doc.h"
//**********************************************************************
//
// CExternalConnection::QueryInterface
//
// Purpose:
// Used for interface negotiation
//
// Parameters:
//
// REFIID riid - Interface being queried for.
//
// LPVOID FAR *ppvObj - Out pointer for the interface.
//
// Return Value:
//
// S_OK - Success
// E_NOINTERFACE - Failure
//
// Function Calls:
// Function Location
//
// CSimpSvrObj::QueryInterface OBJ.CPP
//
//********************************************************************
STDMETHODIMP CExternalConnection::QueryInterface (REFIID riid, LPVOID FAR* ppvObj)
{
TestDebugOut(TEXT("In CExternalConnection::QueryInterface\r\n"));
return m_lpObj->QueryInterface(riid, ppvObj);
}
//**********************************************************************
//
// CExternalConnection::AddRef
//
// Purpose:
//
// Increments the reference count on CSimpSvrObj object. Since
// CExternalConnection is a nested class of CSimpSvrObj, we don't
// need a separate reference count for CExternalConnection. We
// can just use the reference count of CSimpSvrObj.
//
// Parameters:
//
// None
//
// Return Value:
//
// The new reference count of the CSimpSvrObj
//
// Function Calls:
// Function Location
//
// OuputDebugString Windows API
// CSimpSvrObj::AddRef OBJ.CPP
//
//********************************************************************
STDMETHODIMP_(ULONG) CExternalConnection::AddRef ()
{
TestDebugOut(TEXT("In CExternalConnection::AddRef\r\n"));
return( m_lpObj->AddRef() );
}
//**********************************************************************
//
// CExternalConnection::Release
//
// Purpose:
//
// Decrements the reference count on CSimpSvrObj object. Since
// CExternalConnection is a nested class of CSimpSvrObj, we don't
// need a separate reference count for CExternalConnection. We
// can just use the reference count of CSimpSvrObj.
//
// Parameters:
//
// None
//
// Return Value:
//
// The new reference count of CSimpSvrObj
//
// Function Calls:
// Function Location
//
// TestDebugOut Windows API
// CSimpSvrObj::Release OBJ.CPP
//
//********************************************************************
STDMETHODIMP_(ULONG) CExternalConnection::Release ()
{
TestDebugOut(TEXT("In CExternalConnection::Release\r\n"));
return m_lpObj->Release();
}
//**********************************************************************
//
// CExternalConnection::AddConnection
//
// Purpose:
//
// Called when another connection is made to the object.
//
// Parameters:
//
// DWORD extconn - Type of connection
//
// DWORD reserved - Reserved
//
// Return Value:
//
// Strong connection count
//
// Function Calls:
// Function Location
//
// TestDebugOut Windows API
//
//********************************************************************
STDMETHODIMP_(DWORD) CExternalConnection::AddConnection (DWORD extconn, DWORD reserved)
{
TestDebugOut(TEXT("In CExternalConnection::AddConnection\r\n"));
if (extconn & EXTCONN_STRONG)
return ++m_dwStrong;
return 0;
}
//**********************************************************************
//
// CExternalConnection::ReleaseConnection
//
// Purpose:
//
// Called when a connection to the object is released.
//
// Parameters:
//
// DWORD extconn - Type of Connection
//
// DWORD reserved - Reserved
//
// BOOL fLastReleaseCloses - Close flag
//
// Return Value:
//
// The new reference count
//
// Function Calls:
// Function Location
//
// TestDebugOut Windows API
// COleObject::Close IOO.CPP
//
//
//********************************************************************
STDMETHODIMP_(DWORD) CExternalConnection::ReleaseConnection (DWORD extconn, DWORD reserved, BOOL fLastReleaseCloses)
{
TestDebugOut(TEXT("In CExternalConnection::ReleaseConnection\r\n"));
if (extconn & EXTCONN_STRONG)
{
DWORD dwSave = --m_dwStrong;
if (!m_dwStrong && fLastReleaseCloses)
m_lpObj->m_OleObject.Close(OLECLOSE_SAVEIFDIRTY);
return dwSave;
}
return 0;
}
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