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62 lines
1.6 KiB
62 lines
1.6 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File: strings.h
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//
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//--------------------------------------------------------------------------
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#ifndef __strings_h
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#define __strings_h
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HRESULT LocalAllocString(LPTSTR* ppResult, LPCTSTR pString);
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HRESULT LocalAllocStringLen(LPTSTR* ppResult, UINT cLen);
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void LocalFreeString(LPTSTR* ppString);
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UINT SizeofStringResource(HINSTANCE hInstance, UINT idStr);
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int LoadStringAlloc(LPTSTR *ppszResult, HINSTANCE hInstance, UINT idStr);
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// String formatting functions - *ppszResult must be LocalFree'd
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DWORD FormatStringID(LPTSTR *ppszResult, HINSTANCE hInstance, UINT idStr, ...);
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DWORD FormatString(LPTSTR *ppszResult, LPCTSTR pszFormat, ...);
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DWORD vFormatStringID(LPTSTR *ppszResult, HINSTANCE hInstance, UINT idStr, va_list *pargs);
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DWORD vFormatString(LPTSTR *ppszResult, LPCTSTR pszFormat, va_list *pargs);
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DWORD GetSystemErrorText(LPTSTR *ppszResult, DWORD dwErr);
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// A BSTR wrapper that frees itself upon destruction.
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// Taken from sburns burnslib
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//
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// From Box, D. Essential COM. pp 80-81. Addison-Wesley. ISBN 0-201-63446-5
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class AutoBstr
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{
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public:
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explicit
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AutoBstr(const wchar_t* s)
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:
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bstr(::SysAllocString(s))
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{
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TraceAssert(s);
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}
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~AutoBstr()
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{
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::SysFreeString(bstr);
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bstr = 0;
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}
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operator BSTR () const
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{
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return bstr;
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}
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private:
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BSTR bstr;
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};
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#endif
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