915 lines
20 KiB
C++
915 lines
20 KiB
C++
//***************************************************************************
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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//
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// QUALIFIER.CPP
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//
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// alanbos 15-Aug-96 Created.
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//
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// Defines the implementation of ISWbemQualifier
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//
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//***************************************************************************
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#include "precomp.h"
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//***************************************************************************
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//
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// CSWbemQualifier::CSWbemQualifier
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//
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// DESCRIPTION:
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//
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// Constructor.
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//
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//***************************************************************************
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CSWbemQualifier::CSWbemQualifier(IWbemQualifierSet *pIWbemQualifierSet, BSTR name,
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CWbemSite *pSite) :
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m_pSite (NULL)
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{
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m_Dispatch.SetObj (this, IID_ISWbemQualifier,
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CLSID_SWbemQualifier, L"SWbemQualifier");
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m_cRef=1;
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m_pIWbemQualifierSet = pIWbemQualifierSet;
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m_pIWbemQualifierSet->AddRef ();
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if (pSite)
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{
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m_pSite = pSite;
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m_pSite->AddRef ();
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}
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m_name = SysAllocString (name);
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InterlockedIncrement(&g_cObj);
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}
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//***************************************************************************
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//
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// CSWbemQualifier::~CSWbemQualifier
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//
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// DESCRIPTION:
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//
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// Destructor.
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//
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//***************************************************************************
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CSWbemQualifier::~CSWbemQualifier(void)
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{
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InterlockedDecrement(&g_cObj);
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if (m_pIWbemQualifierSet)
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m_pIWbemQualifierSet->Release ();
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if (m_pSite)
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m_pSite->Release ();
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SysFreeString (m_name);
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}
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//***************************************************************************
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// HRESULT CSWbemQualifier::QueryInterface
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// long CSWbemQualifier::AddRef
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// long CSWbemQualifier::Release
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//
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// DESCRIPTION:
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//
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// Standard Com IUNKNOWN functions.
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//
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//***************************************************************************
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STDMETHODIMP CSWbemQualifier::QueryInterface (
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IN REFIID riid,
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OUT LPVOID *ppv
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)
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{
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*ppv=NULL;
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if (IID_IUnknown==riid)
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*ppv = reinterpret_cast<IUnknown*>(this);
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else if (IID_ISWbemQualifier==riid)
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*ppv = (ISWbemQualifier *)this;
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else if (IID_IDispatch==riid)
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*ppv = (IDispatch *)this;
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else if (IID_ISupportErrorInfo==riid)
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*ppv = (ISupportErrorInfo *)this;
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else if (IID_IProvideClassInfo==riid)
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*ppv = (IProvideClassInfo *)this;
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if (NULL!=*ppv)
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{
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((LPUNKNOWN)*ppv)->AddRef();
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return NOERROR;
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}
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return ResultFromScode(E_NOINTERFACE);
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}
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STDMETHODIMP_(ULONG) CSWbemQualifier::AddRef(void)
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{
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InterlockedIncrement(&m_cRef);
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return m_cRef;
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}
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STDMETHODIMP_(ULONG) CSWbemQualifier::Release(void)
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{
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InterlockedDecrement(&m_cRef);
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if (0L!=m_cRef)
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return m_cRef;
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delete this;
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return 0;
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}
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//***************************************************************************
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// HRESULT CSWbemQualifier::InterfaceSupportsErrorInfo
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//
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// DESCRIPTION:
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//
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// Standard Com ISupportErrorInfo functions.
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//
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//***************************************************************************
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STDMETHODIMP CSWbemQualifier::InterfaceSupportsErrorInfo (IN REFIID riid)
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{
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return (IID_ISWbemQualifier == riid) ? S_OK : S_FALSE;
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}
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//***************************************************************************
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//
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// SCODE CSWbemQualifier::get_Value
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//
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// DESCRIPTION:
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//
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// Retrieve the qualifier value
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//
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// PARAMETERS:
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//
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// pValue holds the value on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemQualifier::get_Value (
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VARIANT *pValue
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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if (NULL == pValue)
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hr = WBEM_E_INVALID_PARAMETER;
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{
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VariantClear (pValue);
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if (m_pIWbemQualifierSet)
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{
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VARIANT var;
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VariantInit (&var);
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if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get
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(m_name, 0, &var, NULL)))
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{
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if(var.vt & VT_ARRAY)
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hr = ConvertArrayRev(pValue, &var);
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else
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hr = VariantCopy (pValue, &var);
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}
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VariantClear(&var);
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}
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemQualifier::put_Value
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//
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// DESCRIPTION:
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//
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// Set the qualifier value
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//
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// PARAMETERS:
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//
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// pVal the new value
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemQualifier::put_Value (
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VARIANT *pVal
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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if (NULL == pVal)
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hr = WBEM_E_INVALID_PARAMETER;
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{
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/*
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* We can only change the value, not the flavor. We have to read the
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* flavor first to avoid changing it.
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*/
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if (m_pIWbemQualifierSet)
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{
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long flavor = 0;
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VARIANT curValue;
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VariantInit (&curValue);
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if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, &curValue, &flavor)))
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{
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// Mask out the origin bits from the flavor as those are read-only
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flavor &= ~WBEM_FLAVOR_MASK_ORIGIN;
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// Make sure we have a decent qualifier value to use
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if(((VT_ARRAY | VT_VARIANT) == V_VT(pVal)) ||
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((VT_ARRAY | VT_VARIANT | VT_BYREF) == V_VT(pVal)))
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{
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VARIANT vTemp;
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VariantInit (&vTemp);
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if (S_OK == ConvertArray(&vTemp, pVal, true, curValue.vt & ~VT_ARRAY))
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hr = m_pIWbemQualifierSet->Put (m_name, &vTemp, flavor);
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VariantClear (&vTemp);
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}
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else if ((VT_DISPATCH == V_VT(pVal)) || ((VT_DISPATCH|VT_BYREF) == V_VT(pVal)))
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{
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// Could be a JScript IDispatchEx array
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VARIANT vTemp;
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VariantInit (&vTemp);
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if (S_OK == ConvertDispatchToArray (&vTemp, pVal, CIM_ILLEGAL, true,
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curValue.vt & ~VT_ARRAY))
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hr = m_pIWbemQualifierSet->Put (m_name, &vTemp, flavor);
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VariantClear (&vTemp);
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}
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else
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{
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// Only certain types, I4, R8, BOOL and BSTR are acceptable qualifier
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// values. Convert the data if need be
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VARTYPE vtOK = GetAcceptableQualType(V_VT(pVal));
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if(vtOK != V_VT(pVal))
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{
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VARIANT vTemp;
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VariantInit(&vTemp);
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if (S_OK == QualifierVariantChangeType (&vTemp, pVal, vtOK))
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hr = m_pIWbemQualifierSet->Put (m_name, &vTemp, flavor);
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VariantClear(&vTemp);
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}
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else
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hr = m_pIWbemQualifierSet->Put (m_name, pVal, flavor);
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}
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}
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VariantClear (&curValue);
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}
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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else
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{
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// Propagate the change to the owning site
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if (m_pSite)
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m_pSite->Update ();
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}
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemQualifier::get_Name
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//
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// DESCRIPTION:
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//
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// Retrieve the qualifier name
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//
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// PARAMETERS:
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//
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// pName holds the name on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemQualifier::get_Name (
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BSTR *pName
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)
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{
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HRESULT hr = WBEM_E_INVALID_PARAMETER;
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ResetLastErrors ();
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if (NULL != pName)
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{
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*pName = SysAllocString (m_name);
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hr = WBEM_S_NO_ERROR;
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemQualifier::get_IsLocal
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//
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// DESCRIPTION:
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//
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// Determine whether the qualifier is local to this object
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//
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// PARAMETERS:
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//
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// pIsLocal addresses whether the qualifier is local
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemQualifier::get_IsLocal (
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VARIANT_BOOL *pIsLocal
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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if (NULL == pIsLocal)
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hr = WBEM_E_INVALID_PARAMETER;
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else
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{
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long flavor = 0;
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if (m_pIWbemQualifierSet)
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if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, NULL, &flavor)))
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*pIsLocal = (WBEM_FLAVOR_ORIGIN_LOCAL == (flavor & WBEM_FLAVOR_MASK_ORIGIN)) ?
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VARIANT_TRUE : VARIANT_FALSE;
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemQualifier::get_PropagatesToSubclass
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//
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// DESCRIPTION:
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//
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// Determine whether the qualifier can be propagated to subclasses
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//
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// PARAMETERS:
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//
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// pResult holds the value on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemQualifier::get_PropagatesToSubclass (
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VARIANT_BOOL *pResult
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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if (NULL == pResult)
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hr = WBEM_E_INVALID_PARAMETER;
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else
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{
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long flavor = 0;
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if (m_pIWbemQualifierSet)
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if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, NULL, &flavor)))
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*pResult = (WBEM_FLAVOR_FLAG_PROPAGATE_TO_DERIVED_CLASS & (flavor & WBEM_FLAVOR_MASK_PROPAGATION))
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? VARIANT_TRUE : VARIANT_FALSE;
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemQualifier::put_PropagatesToSubclass
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//
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// DESCRIPTION:
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//
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// Set the qualifier propagation to subclass
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//
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// PARAMETERS:
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//
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// bValue the new propagation value
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemQualifier::put_PropagatesToSubclass (
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VARIANT_BOOL bValue
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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// We have to get the value so we can preserve it
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if (m_pIWbemQualifierSet)
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{
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VARIANT var;
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VariantInit (&var);
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long flavor = 0;
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if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, &var, &flavor)))
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{
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// Mask out the origin bits
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flavor &= ~WBEM_FLAVOR_MASK_ORIGIN;
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// Switch on or off the subclass propagation bit
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if (bValue)
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flavor |= WBEM_FLAVOR_FLAG_PROPAGATE_TO_DERIVED_CLASS;
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else
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flavor &= ~WBEM_FLAVOR_FLAG_PROPAGATE_TO_DERIVED_CLASS;
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hr = m_pIWbemQualifierSet->Put (m_name, &var, flavor);
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}
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VariantClear (&var);
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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else
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{
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// Propagate the change to the owning site
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if (m_pSite)
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m_pSite->Update ();
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}
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemQualifier::get_PropagatesToInstance
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//
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// DESCRIPTION:
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//
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// Determine whether the qualifier can be propagated to instances
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//
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// PARAMETERS:
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//
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// pResult holds the value on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemQualifier::get_PropagatesToInstance (
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VARIANT_BOOL *pResult
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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if (NULL == pResult)
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hr = WBEM_E_INVALID_PARAMETER;
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else
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{
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long flavor = 0;
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if (m_pIWbemQualifierSet)
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if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, NULL, &flavor)))
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*pResult = (WBEM_FLAVOR_FLAG_PROPAGATE_TO_INSTANCE & (flavor & WBEM_FLAVOR_MASK_PROPAGATION))
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? VARIANT_TRUE : VARIANT_FALSE;
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemQualifier::put_PropagatesToInstance
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//
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// DESCRIPTION:
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//
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// Set the qualifier propagation to subclass
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//
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// PARAMETERS:
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//
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// bValue the new propagation value
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemQualifier::put_PropagatesToInstance (
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VARIANT_BOOL bValue
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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// We have to get the value so we can preserve it
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if (m_pIWbemQualifierSet)
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{
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VARIANT var;
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VariantInit (&var);
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long flavor = 0;
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if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, &var, &flavor)))
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{
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// Mask out the origin bits
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flavor &= ~WBEM_FLAVOR_MASK_ORIGIN;
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// Switch on or off the subclass propagation bit
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if (bValue)
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flavor |= WBEM_FLAVOR_FLAG_PROPAGATE_TO_INSTANCE;
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else
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flavor &= ~WBEM_FLAVOR_FLAG_PROPAGATE_TO_INSTANCE;
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hr = m_pIWbemQualifierSet->Put (m_name, &var, flavor);
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}
|
|
|
|
VariantClear (&var);
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
m_Dispatch.RaiseException (hr);
|
|
else
|
|
{
|
|
// Propagate the change to the owning site
|
|
if (m_pSite)
|
|
m_pSite->Update ();
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//***************************************************************************
|
|
//
|
|
// SCODE CSWbemQualifier::get_IsOverridable
|
|
//
|
|
// DESCRIPTION:
|
|
//
|
|
// Determine whether the qualifier can be overriden
|
|
//
|
|
// PARAMETERS:
|
|
//
|
|
// pResult holds the value on return
|
|
//
|
|
// RETURN VALUES:
|
|
//
|
|
// WBEM_S_NO_ERROR success
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
|
// WBEM_E_FAILED otherwise
|
|
//
|
|
//***************************************************************************
|
|
|
|
HRESULT CSWbemQualifier::get_IsOverridable (
|
|
VARIANT_BOOL *pResult
|
|
)
|
|
{
|
|
HRESULT hr = WBEM_E_FAILED;
|
|
|
|
ResetLastErrors ();
|
|
|
|
if (NULL == pResult)
|
|
hr = WBEM_E_INVALID_PARAMETER;
|
|
else
|
|
{
|
|
long flavor = 0;
|
|
|
|
if (m_pIWbemQualifierSet)
|
|
if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, NULL, &flavor)))
|
|
*pResult = (WBEM_FLAVOR_OVERRIDABLE == (flavor & WBEM_FLAVOR_MASK_PERMISSIONS))
|
|
? VARIANT_TRUE : VARIANT_FALSE;
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
m_Dispatch.RaiseException (hr);
|
|
|
|
return hr;
|
|
}
|
|
|
|
//***************************************************************************
|
|
//
|
|
// SCODE CSWbemQualifier::put_IsOverridable
|
|
//
|
|
// DESCRIPTION:
|
|
//
|
|
// Set the qualifier propagation to subclass
|
|
//
|
|
// PARAMETERS:
|
|
//
|
|
// bValue the new propagation value
|
|
//
|
|
// RETURN VALUES:
|
|
//
|
|
// WBEM_S_NO_ERROR success
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
|
// WBEM_E_FAILED otherwise
|
|
//
|
|
//***************************************************************************
|
|
|
|
HRESULT CSWbemQualifier::put_IsOverridable (
|
|
VARIANT_BOOL bValue
|
|
)
|
|
{
|
|
HRESULT hr = WBEM_E_FAILED;
|
|
|
|
ResetLastErrors ();
|
|
|
|
// We have to get the value so we can preserve it
|
|
if (m_pIWbemQualifierSet)
|
|
{
|
|
VARIANT var;
|
|
VariantInit (&var);
|
|
long flavor = 0;
|
|
|
|
if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, &var, &flavor)))
|
|
{
|
|
// Mask out the origin bits
|
|
flavor &= ~WBEM_FLAVOR_MASK_ORIGIN;
|
|
|
|
// Switch on or off the subclass propagation bit
|
|
if (bValue)
|
|
flavor &= ~WBEM_FLAVOR_NOT_OVERRIDABLE;
|
|
else
|
|
flavor |= WBEM_FLAVOR_NOT_OVERRIDABLE ;
|
|
|
|
hr = m_pIWbemQualifierSet->Put (m_name, &var, flavor);
|
|
}
|
|
|
|
VariantClear (&var);
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
m_Dispatch.RaiseException (hr);
|
|
else
|
|
{
|
|
// Propagate the change to the owning site
|
|
if (m_pSite)
|
|
m_pSite->Update ();
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//***************************************************************************
|
|
//
|
|
// SCODE CSWbemQualifier::get_IsAmended
|
|
//
|
|
// DESCRIPTION:
|
|
//
|
|
// Determine whether the qualifier value has been amended
|
|
//
|
|
// PARAMETERS:
|
|
//
|
|
// pResult holds the value on return
|
|
//
|
|
// RETURN VALUES:
|
|
//
|
|
// WBEM_S_NO_ERROR success
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
|
// WBEM_E_FAILED otherwise
|
|
//
|
|
//***************************************************************************
|
|
|
|
HRESULT CSWbemQualifier::get_IsAmended (
|
|
VARIANT_BOOL *pResult
|
|
)
|
|
{
|
|
HRESULT hr = WBEM_E_FAILED;
|
|
|
|
ResetLastErrors ();
|
|
|
|
if (NULL == pResult)
|
|
hr = WBEM_E_INVALID_PARAMETER;
|
|
else
|
|
{
|
|
long flavor = 0;
|
|
|
|
if (m_pIWbemQualifierSet)
|
|
if (WBEM_S_NO_ERROR == (hr = m_pIWbemQualifierSet->Get (m_name, 0, NULL, &flavor)))
|
|
*pResult = (WBEM_FLAVOR_AMENDED == (flavor & WBEM_FLAVOR_MASK_AMENDED))
|
|
? VARIANT_TRUE : VARIANT_FALSE;
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
m_Dispatch.RaiseException (hr);
|
|
|
|
return hr;
|
|
}
|
|
|
|
//***************************************************************************
|
|
//
|
|
// SCODE CSWbemQualifier::CQualifierDispatchHelp::HandleError
|
|
//
|
|
// DESCRIPTION:
|
|
//
|
|
// Provide bespoke handling of error conditions in the bolierplate
|
|
// Dispatch implementation.
|
|
//
|
|
// PARAMETERS:
|
|
//
|
|
// dispidMember, wFlags,
|
|
// pdispparams, pvarResult,
|
|
// puArgErr, All passed directly from IDispatch::Invoke
|
|
// hr The return code from the bolierplate invoke
|
|
//
|
|
// RETURN VALUES:
|
|
// The new return code (to be ultimately returned from Invoke)
|
|
//
|
|
// WBEM_S_NO_ERROR success
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
|
// WBEM_E_FAILED otherwise
|
|
//
|
|
//***************************************************************************
|
|
|
|
HRESULT CSWbemQualifier::CQualifierDispatchHelp::HandleError (
|
|
DISPID dispidMember,
|
|
unsigned short wFlags,
|
|
DISPPARAMS FAR* pdispparams,
|
|
VARIANT FAR* pvarResult,
|
|
UINT FAR* puArgErr,
|
|
HRESULT hr
|
|
)
|
|
{
|
|
/*
|
|
* We are looking for calls on the default member (the Value property) which
|
|
* supplied an argument. Since the Value property is of type VARIANT, this may
|
|
* be legal but undetectable by the standard Dispatch mechanism, because in the
|
|
* the case that the qualifier happens to be an array type, it is meaningful to
|
|
* pass an index (the interpretation is that the index specifies an offset in
|
|
* the VT_ARRAY|VT_VARIANT structure that represents the property value).
|
|
*/
|
|
if ((DISPID_VALUE == dispidMember) && (DISP_E_NOTACOLLECTION == hr) && (pdispparams->cArgs > 0))
|
|
{
|
|
// Looks promising - get the object to try and resolve this
|
|
|
|
ISWbemQualifier *pQualifier = NULL;
|
|
|
|
// This tells use where to expect the array index to appear in the argument list
|
|
UINT indexArg = (DISPATCH_PROPERTYGET & wFlags) ? 0 : 1;
|
|
|
|
if (SUCCEEDED (m_pObj->QueryInterface (IID_ISWbemQualifier, (PPVOID) &pQualifier)))
|
|
{
|
|
// Extract the current qualifier value
|
|
VARIANT vQualVal;
|
|
VariantInit (&vQualVal);
|
|
|
|
if (SUCCEEDED(pQualifier->get_Value (&vQualVal)) && V_ISARRAY(&vQualVal))
|
|
{
|
|
VARIANT indexVar;
|
|
VariantInit (&indexVar);
|
|
|
|
// Attempt to coerce the index argument into a value suitable for an array index
|
|
if (S_OK == VariantChangeType (&indexVar, &pdispparams->rgvarg[indexArg], 0, VT_I4))
|
|
{
|
|
long lArrayPropInx = V_I4(&indexVar);
|
|
|
|
// Is this a Get? There should be one argument (the array index)
|
|
if (DISPATCH_PROPERTYGET & wFlags)
|
|
{
|
|
if (1 == pdispparams->cArgs)
|
|
{
|
|
// We should have a VT_ARRAY|VT_VARIANT value at this point; extract the
|
|
// VARIANT
|
|
|
|
VariantInit (pvarResult);
|
|
hr = SafeArrayGetElement (vQualVal.parray, &lArrayPropInx, pvarResult);
|
|
}
|
|
else
|
|
hr = DISP_E_BADPARAMCOUNT;
|
|
}
|
|
else if (DISPATCH_PROPERTYPUT & wFlags)
|
|
{
|
|
if (2 == pdispparams->cArgs)
|
|
{
|
|
/*
|
|
* Try to interpret this as an array member set operation. For
|
|
* this the first argument passed is the new value, and the second
|
|
* is the array index.
|
|
*/
|
|
|
|
VARIANT vNewVal;
|
|
VariantInit(&vNewVal);
|
|
|
|
if (SUCCEEDED(VariantCopy(&vNewVal, &pdispparams->rgvarg[0])))
|
|
{
|
|
// Coerce the value if necessary
|
|
VARTYPE expectedVarType = GetAcceptableQualType (V_VT(&vNewVal));
|
|
|
|
if (S_OK == VariantChangeType (&vNewVal, &vNewVal, 0, expectedVarType))
|
|
{
|
|
// Check the index is not out of bounds and, if it is, grow
|
|
// the array accordingly
|
|
CheckArrayBounds (vQualVal.parray, lArrayPropInx);
|
|
|
|
// Set the value into the relevant index of the property value array
|
|
if (S_OK == (hr =
|
|
SafeArrayPutElement (vQualVal.parray, &lArrayPropInx, &vNewVal)))
|
|
{
|
|
// Set the entire property value
|
|
if (SUCCEEDED (pQualifier->put_Value (&vQualVal)))
|
|
hr = S_OK;
|
|
else
|
|
{
|
|
hr = DISP_E_TYPEMISMATCH;
|
|
if (puArgErr)
|
|
*puArgErr = 0;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = DISP_E_TYPEMISMATCH;
|
|
if (puArgErr)
|
|
*puArgErr = 0;
|
|
}
|
|
|
|
VariantClear (&vNewVal);
|
|
}
|
|
}
|
|
else
|
|
hr = DISP_E_BADPARAMCOUNT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = DISP_E_TYPEMISMATCH;
|
|
if (puArgErr)
|
|
*puArgErr = indexArg;
|
|
}
|
|
|
|
VariantClear (&indexVar);
|
|
}
|
|
|
|
VariantClear (&vQualVal);
|
|
}
|
|
|
|
pQualifier->Release ();
|
|
}
|
|
|
|
return hr;
|
|
}
|