49 lines
1 KiB
C++
49 lines
1 KiB
C++
// Copyright (c) 1995 Microsoft Corporation. All Rights Reserved.
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//
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// CMultiByteStr
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//
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// Quick and dirty converter from TSTR to WSTR.
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// note that in the UNICODE case no copy is performed,
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// so the lifetime of the string pointed to must be longer
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// than this object.
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class CMultiByteStr {
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public:
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CMultiByteStr(LPCTSTR szString) {
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#ifdef UNICODE
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m_wszString = szString;
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#else
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int iLen = MultiByteToWideChar(CP_ACP, 0,
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szString, -1,
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m_wszString, 0);
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m_wszString = new WCHAR[iLen];
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if (m_wszString == NULL) {
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throw CHRESULTException(E_OUTOFMEMORY);
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}
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MultiByteToWideChar(CP_ACP, 0,
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szString, -1,
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m_wszString, iLen);
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#endif
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}
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~CMultiByteStr() {
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#ifndef UNICODE
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delete[] m_wszString;
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#endif
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}
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operator LPCWSTR() { return m_wszString; }
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private:
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#ifdef UNICODE
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LPCWSTR m_wszString; // const if UNICODE
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#else
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LPWSTR m_wszString;
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#endif
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};
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