233 lines
4.8 KiB
C++
233 lines
4.8 KiB
C++
//---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995
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//
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// File: cenumvar.cxx
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//
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// Contents: NetWare 3.12 Enumerator Code
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//
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// CNWCOMPATEnumVariant::Create
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// CNWCOMPATEnumVariant::CNWCOMPATEnumVariant
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// CNWCOMPATEnumVariant::~CNWCOMPATEnumVariant
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// CNWCOMPATEnumVariant::QueryInterface
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// CNWCOMPATEnumVariant::AddRef
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// CNWCOMPATEnumVariant::Release
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// CNWCOMPATEnumVariant::Next
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// CNWCOMPATEnumVariant::Skip
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// CNWCOMPATEnumVariant::Clone
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//
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// History:
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//----------------------------------------------------------------------------
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#include "NWCOMPAT.hxx"
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#pragma hdrstop
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//+---------------------------------------------------------------------------
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//
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// Function: CNWCOMPATEnumVariant::CNWCOMPATEnumVariant
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//
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// Synopsis:
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//
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//
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// Arguments:
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//
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//
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// Returns:
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//
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// Modifies:
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//
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// History: 01-30-95 krishnag Created.
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//
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//----------------------------------------------------------------------------
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CNWCOMPATEnumVariant::CNWCOMPATEnumVariant()
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{
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//
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// Set the reference count on the enumerator.
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//
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m_cRef = 1;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CNWCOMPATEnumVariant::~CNWCOMPATEnumVariant
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//
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// Synopsis:
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//
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//
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// Arguments:
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//
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// Returns:
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//
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// Modifies:
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//
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// History: 01-30-95 krishnag Created.
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//
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//----------------------------------------------------------------------------
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CNWCOMPATEnumVariant::~CNWCOMPATEnumVariant()
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{
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//
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// Bump down the reference count on the Collection object
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//
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CNWCOMPATEnumVariant::QueryInterface
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//
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// Synopsis:
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//
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// Arguments: [iid]
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// [ppv]
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//
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// Returns: HRESULT
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//
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// Modifies:
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//
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// History: 01-30-95 krishnag Created.
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP
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CNWCOMPATEnumVariant::QueryInterface(REFIID iid, void FAR* FAR* ppv)
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{
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*ppv = NULL;
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if (ppv == NULL) {
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RRETURN(E_POINTER);
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}
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if (iid == IID_IUnknown || iid == IID_IEnumVARIANT) {
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*ppv = this;
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}
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else {
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return ResultFromScode(E_NOINTERFACE);
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}
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AddRef();
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return NOERROR;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CNWCOMPATEnumVariant::AddRef
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//
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// Synopsis:
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//
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// Arguments:
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//
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// Returns: HRESULT
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//
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// Modifies:
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//
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// History: 01-30-95 krishnag Created.
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//----------------------------------------------------------------------------
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STDMETHODIMP_(ULONG)
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CNWCOMPATEnumVariant::AddRef(void)
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{
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return ++m_cRef;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CNWCOMPATEnumVariant::Release
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//
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// Synopsis:
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//
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//
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// Arguments: [void]
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//
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// Returns:
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//
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// Modifies:
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//
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// History: 01-30-95 krishnag Created.
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//----------------------------------------------------------------------------
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STDMETHODIMP_(ULONG)
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CNWCOMPATEnumVariant::Release(void)
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{
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if(--m_cRef == 0){
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delete this;
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return 0;
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}
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return m_cRef;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CNWCOMPATEnumVariant::Skip
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//
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// Synopsis:
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//
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// Arguments: [cElements]
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//
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// Returns: HRESULT
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//
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// Modifies:
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//
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// History: 01-30-95 krishnag Created.
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP
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CNWCOMPATEnumVariant::Skip(ULONG cElements)
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{
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RRETURN_EXP_IF_ERR(E_NOTIMPL);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CNWCOMPATEnumVariant::Reset
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//
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// Synopsis:
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//
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// Arguments: []
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//
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// Returns: HRESULT
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//
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// Modifies:
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//
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// History:
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP
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CNWCOMPATEnumVariant::Reset()
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{
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RRETURN_EXP_IF_ERR(E_NOTIMPL);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CNWCOMPATEnumVariant::Clone
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//
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// Synopsis:
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//
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// Arguments: [pCollection]
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// [ppEnumVariant]
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//
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// Returns: HRESULT
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//
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// Modifies:
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//
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// History: 01-30-95 krishnag Created.
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP
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CNWCOMPATEnumVariant::Clone(IEnumVARIANT FAR* FAR* ppenum)
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{
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RRETURN_EXP_IF_ERR(E_NOTIMPL);
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}
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