346 lines
8.7 KiB
C
346 lines
8.7 KiB
C
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/***
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* comdef.h - Native C++ compiler COM support - main definitions header
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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****/
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#if !defined(_INC_COMDEF)
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#define _INC_COMDEF
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#if !defined(RC_INVOKED)
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#ifndef __cplusplus
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#error Native Compiler support only available in C++ compiler
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#endif
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#ifdef _M_CEE_PURE
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#error comdef.h header cannot be included under /clr:safe or /clr:pure
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#endif
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#include <ole2.h>
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#include <olectl.h>
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#include <comutil.h>
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#pragma warning(push)
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#pragma warning(disable: 4244)
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#pragma warning(disable: 4290)
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#ifdef _NATIVE_WCHAR_T_DEFINED
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# ifdef _DEBUG
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# pragma comment(lib, "comsuppwd.lib")
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# else
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# pragma comment(lib, "comsuppw.lib")
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# endif
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#else
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# ifdef _DEBUG
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# pragma comment(lib, "comsuppd.lib")
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# else
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# pragma comment(lib, "comsupp.lib")
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# endif
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#endif
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#pragma comment(lib, "user32.lib")
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#pragma comment(lib, "ole32.lib")
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#pragma comment(lib, "oleaut32.lib")
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class _com_error;
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void __stdcall
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_com_raise_error(HRESULT hr, IErrorInfo* perrinfo = 0) ;
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void __stdcall
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_set_com_error_handler(void (__stdcall *pHandler)(HRESULT hr, IErrorInfo* perrinfo));
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void __stdcall
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_com_issue_error(HRESULT) ;
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void __stdcall
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_com_issue_errorex(HRESULT, IUnknown*, REFIID) ;
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HRESULT __stdcall
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_com_dispatch_propget(IDispatch*, DISPID, VARTYPE, void*) ;
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HRESULT __cdecl
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_com_dispatch_propput(IDispatch*, DISPID, VARTYPE, ...) ;
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HRESULT __cdecl
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_com_dispatch_method(IDispatch*, DISPID, WORD, VARTYPE, void*,
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const wchar_t*, ...) ;
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HRESULT __stdcall
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_com_dispatch_raw_propget(IDispatch*, DISPID, VARTYPE, void*) throw();
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HRESULT __cdecl
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_com_dispatch_raw_propput(IDispatch*, DISPID, VARTYPE, ...) throw();
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HRESULT __cdecl
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_com_dispatch_raw_method(IDispatch*, DISPID, WORD, VARTYPE, void*,
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const wchar_t*, ...) throw();
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class _com_error {
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public:
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// Constructors
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//
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_com_error(HRESULT hr,
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IErrorInfo* perrinfo = NULL,
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bool fAddRef = false) throw();
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_com_error(const _com_error& that) throw();
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// Destructor
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//
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virtual ~_com_error() throw();
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// Assignment operator
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//
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_com_error& operator=(const _com_error& that) throw();
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// Accessors
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//
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HRESULT Error() const throw();
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WORD WCode() const throw();
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IErrorInfo * ErrorInfo() const throw();
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// IErrorInfo method accessors
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//
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_bstr_t Description() const ;
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DWORD HelpContext() const throw();
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_bstr_t HelpFile() const ;
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_bstr_t Source() const ;
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GUID GUID() const throw();
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// FormatMessage accessors
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//
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const TCHAR * ErrorMessage() const throw();
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// EXCEPINFO.wCode <-> HRESULT mappers
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//
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static HRESULT WCodeToHRESULT(WORD wCode) throw();
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static WORD HRESULTToWCode(HRESULT hr) throw();
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private:
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enum {
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WCODE_HRESULT_FIRST = MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0x200),
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WCODE_HRESULT_LAST = MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF+1, 0) - 1
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};
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const HRESULT m_hresult;
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IErrorInfo * m_perrinfo;
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mutable TCHAR * m_pszMsg;
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};
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inline _com_error::_com_error(HRESULT hr,
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IErrorInfo* perrinfo,
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bool fAddRef) throw()
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: m_hresult(hr), m_perrinfo(perrinfo), m_pszMsg(NULL)
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{
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if (m_perrinfo != NULL && fAddRef) {
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m_perrinfo->AddRef();
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}
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}
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inline _com_error::_com_error(const _com_error& that) throw()
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: m_hresult(that.m_hresult), m_perrinfo(that.m_perrinfo), m_pszMsg(NULL)
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{
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if (m_perrinfo != NULL) {
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m_perrinfo->AddRef();
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}
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}
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inline _com_error::~_com_error() throw()
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{
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if (m_perrinfo != NULL) {
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m_perrinfo->Release();
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}
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if (m_pszMsg != NULL) {
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HANDLE hHeap = GetProcessHeap();
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if (hHeap)
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{
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HeapFree(hHeap, 0, (LPVOID) m_pszMsg);
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}
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}
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}
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inline _com_error& _com_error::operator=(const _com_error& that) throw()
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{
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if (this != &that) {
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this->_com_error::~_com_error();
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this->_com_error::_com_error(that);
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}
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return *this;
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}
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inline HRESULT _com_error::Error() const throw()
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{
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return m_hresult;
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}
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inline WORD _com_error::WCode() const throw()
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{
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return HRESULTToWCode(m_hresult);
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}
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inline IErrorInfo * _com_error::ErrorInfo() const throw()
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{
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if (m_perrinfo != NULL) {
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m_perrinfo->AddRef();
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}
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return m_perrinfo;
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}
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inline _bstr_t _com_error::Description() const
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{
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BSTR bstr = NULL;
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if (m_perrinfo != NULL) {
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m_perrinfo->GetDescription(&bstr);
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}
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return _bstr_t(bstr, false);
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}
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inline DWORD _com_error::HelpContext() const throw()
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{
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DWORD dwHelpContext = 0;
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if (m_perrinfo != NULL) {
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m_perrinfo->GetHelpContext(&dwHelpContext);
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}
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return dwHelpContext;
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}
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inline _bstr_t _com_error::HelpFile() const
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{
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BSTR bstr = NULL;
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if (m_perrinfo != NULL) {
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m_perrinfo->GetHelpFile(&bstr);
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}
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return _bstr_t(bstr, false);
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}
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inline _bstr_t _com_error::Source() const
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{
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BSTR bstr = NULL;
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if (m_perrinfo != NULL) {
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m_perrinfo->GetSource(&bstr);
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}
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return _bstr_t(bstr, false);
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}
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inline _GUID _com_error::GUID() const throw()
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{
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_GUID guid;
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_COM_MEMCPY_S(&guid, sizeof(_GUID), &__uuidof(NULL), sizeof(_GUID));
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if (m_perrinfo != NULL) {
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m_perrinfo->GetGUID(&guid);
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}
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return guid;
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}
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inline const TCHAR * _com_error::ErrorMessage() const throw()
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{
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if (m_pszMsg == NULL) {
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|
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FORMAT_MESSAGE_FROM_SYSTEM|
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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m_hresult,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR)&m_pszMsg,
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0,
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NULL);
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if (m_pszMsg != NULL) {
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int nLen = lstrlen(m_pszMsg);
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if (nLen > 1 && m_pszMsg[nLen - 1] == '\n') {
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m_pszMsg[nLen - 1] = 0;
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if (m_pszMsg[nLen - 2] == '\r') {
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m_pszMsg[nLen - 2] = 0;
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}
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}
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}
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else {
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HANDLE hHeap = GetProcessHeap();
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if (hHeap)
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{
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m_pszMsg = (LPTSTR)HeapAlloc(hHeap, 0, 32 * sizeof(TCHAR));
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if (m_pszMsg != NULL) {
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WORD wCode = WCode();
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if (wCode != 0) {
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_COM_PRINTF_S_1(m_pszMsg, 32, TEXT("IDispatch error #%d"), wCode);
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}
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else {
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_COM_PRINTF_S_1(m_pszMsg, 32, TEXT("Unknown error 0x%0lX"), m_hresult);
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}
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}
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}
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}
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}
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return m_pszMsg;
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}
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inline HRESULT _com_error::WCodeToHRESULT(WORD wCode) throw()
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{
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return wCode >= 0xFE00 ? WCODE_HRESULT_LAST : WCODE_HRESULT_FIRST + wCode;
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}
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inline WORD _com_error::HRESULTToWCode(HRESULT hr) throw()
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{
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return (hr >= WCODE_HRESULT_FIRST && hr <= WCODE_HRESULT_LAST)
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? WORD(hr - WCODE_HRESULT_FIRST)
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: 0;
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}
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//
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// give missing types from dependent type libraries a chance
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//
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typedef int __missing_type__;
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#if !defined(_COM_SMARTPTR)
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#if !defined(_INC_COMIP)
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#include <comip.h>
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#endif
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#define _COM_SMARTPTR _com_ptr_t
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#define _COM_SMARTPTR_LEVEL2 _com_IIID
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#endif
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#if defined(_COM_SMARTPTR)
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#if !defined(_COM_SMARTPTR_TYPEDEF)
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#if defined(_COM_SMARTPTR_LEVEL2)
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#define _COM_SMARTPTR_TYPEDEF(Interface, IID) \
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typedef _COM_SMARTPTR<_COM_SMARTPTR_LEVEL2<Interface, &IID> > \
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Interface ## Ptr
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#else
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#define _COM_SMARTPTR_TYPEDEF(Interface, IID) \
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typedef _COM_SMARTPTR<Interface, &IID> \
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Interface ## Ptr
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#endif
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#endif
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#endif
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#if !defined(_COM_NO_STANDARD_GUIDS_)
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// hard-coded smart pointer defs
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#if defined(__IFontDisp_INTERFACE_DEFINED__)
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__if_not_exists(Font)
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{
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struct Font : IFontDisp {};
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}
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_COM_SMARTPTR_TYPEDEF(Font, __uuidof(IDispatch));
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#endif
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#if defined(__IFontEventsDisp_INTERFACE_DEFINED__)
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__if_not_exists(FontEvents)
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{
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struct FontEvents : IFontEventsDisp {};
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}
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_COM_SMARTPTR_TYPEDEF(FontEvents, __uuidof(IDispatch));
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#endif
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#if defined(__IPictureDisp_INTERFACE_DEFINED__)
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__if_not_exists(Picture)
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{
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struct Picture : IPictureDisp {};
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}
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_COM_SMARTPTR_TYPEDEF(Picture, __uuidof(IDispatch));
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#endif
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#include "comdefsp.h"
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#endif /* _COM_NO_STANDARD_GUIDS_ */
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#pragma warning(pop)
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#endif /* RC_INVOKED */
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#endif /* _INC_COMDEF */
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