CMemPropertyBag Class Reference

Inheritance diagram for CMemPropertyBag:

Collaboration diagram for CMemPropertyBag:

Public Member Functions
	CMemPropertyBag (DWORD dwMode)
STDMETHODIMP	Read (_In_z_ LPCWSTR pszPropName, _Inout_ VARIANT *pvari, _Inout_opt_ IErrorLog *pErrorLog) override
STDMETHODIMP	Write (_In_z_ LPCWSTR pszPropName, _In_ VARIANT *pvari) override
Public Member Functions inherited from CBasePropertyBag
	CBasePropertyBag (DWORD dwMode)
virtual	~CBasePropertyBag ()
STDMETHODIMP	QueryInterface (REFIID riid, void **ppvObject) override
	STDMETHODIMP_ (ULONG) AddRef() override
	STDMETHODIMP_ (ULONG) Release() override
Public Member Functions inherited from IPropertyBag
HRESULT	Read ([in] LPCOLESTR pszPropName, [in, out] VARIANT *pVar, [in] IErrorLog *pErrorLog)
HRESULT	RemoteRead ([in] LPCOLESTR pszPropName, [out] VARIANT *pVar, [in] IErrorLog *pErrorLog, [in] DWORD varType, [in] IUnknown *pUnkObj)
HRESULT	Write ([in] LPCOLESTR pszPropName, [in] VARIANT *pVar)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()

Protected Attributes
ATL::CSimpleMap< ATL::CStringW, ATL::CComVariant, CPropMapEqual >	m_PropMap
Protected Attributes inherited from CBasePropertyBag
LONG	m_cRefs
DWORD	m_dwMode

Additional Inherited Members
Public Types inherited from IPropertyBag
typedef IPropertyBag *	LPPROPERTYBAG
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN

Detailed Description

Definition at line 142 of file propbag.cpp.

Constructor & Destructor Documentation

CMemPropertyBag()

CMemPropertyBag::CMemPropertyBag ( DWORD  dwMode )

inline

Definition at line 148 of file propbag.cpp.

: CBasePropertyBag(dwMode) { }

Member Function Documentation

Read()

STDMETHODIMP CMemPropertyBag::Read ( _In_z_ LPCWSTR  pszPropName, _Inout_ VARIANT *  pvari, _Inout_opt_ IErrorLog *  pErrorLog  )

override

Definition at line 156 of file propbag.cpp.

{
    UNREFERENCED_PARAMETER(pErrorLog);
 
    TRACE("%p: %s %p %p\n", this, debugstr_w(pszPropName), pvari, pErrorLog);
 
    VARTYPE vt = V_VT(pvari);
 
    ::VariantInit(pvari);
 
    if (GetProcessOsVersion() < _WIN32_WINNT_VISTA)
    {
        if (!MODE_CAN_READ(m_dwMode))
        {
            ERR("%p: 0x%X\n", this, m_dwMode);
            return E_ACCESSDENIED;
        }
    }
 
    if (!pszPropName || !pvari)
    {
        ERR("%p: %s %p %p\n", this, debugstr_w(pszPropName), pvari, pErrorLog);
        return E_INVALIDARG;
    }
 
    INT iItem = m_PropMap.FindKey(pszPropName);
    if (iItem == -1)
    {
        ERR("%p: %s %p %p\n", this, debugstr_w(pszPropName), pvari, pErrorLog);
        return E_FAIL;
    }
 
    HRESULT hr = ::VariantCopy(pvari, &m_PropMap.GetValueAt(iItem));
    if (FAILED(hr))
    {
        ERR("%p: 0x%08X %p\n", this, hr, pvari);
        return hr;
    }
 
    hr = ::VariantChangeTypeForRead(pvari, vt);
    if (FAILED(hr))
    {
        ERR("%p: 0x%08X %p\n", this, hr, pvari);
        return hr;
    }
 
    return hr;
}

Write()

STDMETHODIMP CMemPropertyBag::Write ( _In_z_ LPCWSTR  pszPropName, _In_ VARIANT *  pvari  )

override

Definition at line 209 of file propbag.cpp.

{
    TRACE("%p: %s %p\n", this, debugstr_w(pszPropName), pvari);
 
    if (GetProcessOsVersion() < _WIN32_WINNT_VISTA)
    {
        if (!MODE_CAN_WRITE(m_dwMode))
        {
            ERR("%p: 0x%X\n", this, m_dwMode);
            return E_ACCESSDENIED;
        }
    }
 
    if (!pszPropName || !pvari)
    {
        ERR("%p: %s %p\n", this, debugstr_w(pszPropName), pvari);
        return E_INVALIDARG;
    }
 
    ATL::CComVariant vari;
    HRESULT hr = vari.Copy(pvari);
    if (FAILED(hr))
    {
        ERR("%p: %s %p: 0x%08X\n", this, debugstr_w(pszPropName), pvari, hr);
        return hr;
    }
 
    if (!m_PropMap.SetAt(pszPropName, vari))
    {
        ERR("%p: %s %p\n", this, debugstr_w(pszPropName), pvari);
        return E_FAIL;
    }
 
    return hr;
}

Member Data Documentation

m_PropMap

ATL::CSimpleMap<ATL::CStringW, ATL::CComVariant, CPropMapEqual> CMemPropertyBag::m_PropMap

protected

Definition at line 145 of file propbag.cpp.

Referenced by Read(), and Write().

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The documentation for this class was generated from the following file:

• dll/win32/shlwapi/propbag.cpp