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71 lines
1.4 KiB
71 lines
1.4 KiB
// Copyright (c) 1995 - 1996 Microsoft Corporation. All Rights Reserved.
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//
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// hrExcept.h
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//
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#ifndef __HREXCEPT__
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#define __HREXCEPT__
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// A hierarchy of classes intended to be used
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// as exceptions.
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// Based around the common HRESULT error code.
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//
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// CHRESULTException
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//
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// the root exception. the HRESULT stored provides more
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// information as to why the exception was thrown
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class CHRESULTException {
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public:
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CHRESULTException(const HRESULT hrReason = E_FAIL) { m_hrReason = hrReason; }
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HRESULT Reason(void) const { return m_hrReason; }
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private:
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HRESULT m_hrReason; // the reason for throwing the exception
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};
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//
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// The following sub classes are provided as short cuts for their respective
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// HRESULT codes.
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//
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// CE_OUTOFMEMORY
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//
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class CE_OUTOFMEMORY : public CHRESULTException {
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public:
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CE_OUTOFMEMORY() : CHRESULTException(E_OUTOFMEMORY) {}
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};
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//
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// CE_UNEXPECTED
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//
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class CE_UNEXPECTED : public CHRESULTException {
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public:
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CE_UNEXPECTED() : CHRESULTException(E_UNEXPECTED) {}
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};
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//
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// CE_FAIL
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//
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class CE_FAIL : public CHRESULTException {
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public:
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CE_FAIL() : CHRESULTException(E_FAIL) {}
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};
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//
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// CE_INVALIDARG
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//
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class CE_INVALIDARG : public CHRESULTException {
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public:
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CE_INVALIDARG() : CHRESULTException(E_INVALIDARG) {}
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};
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#endif // __HREXCEPT__
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