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#ifndef __EXCEPTION_H__ |
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#define __EXCEPTION_H__ |
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#include "stdio.h" |
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#define THROW_EXCEPTIONEX(str_reason, app_code, last_error) throw new CExceptionEx(__FILE__, __LINE__, __FUNCTION__, str_reason, app_code, last_error) |
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38 |
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class CExceptionEx |
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{ |
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protected: |
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enum PropType { dtString, dtPtrToString, dtDword, dtSysError }; |
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struct __EXCPROPINFO |
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{ |
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TCHAR szName[64]; |
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PropType eType; |
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void* pData; |
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}; |
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public: |
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CExceptionEx(PCTSTR pszSrcFile, DWORD dwLine, PCTSTR pszFunc, PCTSTR pszReason, DWORD dwReason, DWORD dwLastError=0) |
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{ |
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_tcsncpy(m_szSourceFile, pszSrcFile, _MAX_PATH); |
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m_szSourceFile[_MAX_PATH-1]=_T('\0'); |
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58 |
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m_dwSourceLine=dwLine; |
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59 |
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_tcsncpy(m_szFunction, pszFunc, _MAX_PATH); |
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60 |
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m_szFunction[_MAX_PATH-1]=_T('\0'); |
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SetReason(pszReason); |
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m_dwReason=dwReason; |
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m_dwError=dwLastError; |
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}; |
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CExceptionEx(PCTSTR pszSrcFile, DWORD dwLine, PCTSTR pszFunc, TCHAR* pszReason, DWORD dwReason, DWORD dwLastError=0) |
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{ |
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_tcsncpy(m_szSourceFile, pszSrcFile, _MAX_PATH); |
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m_szSourceFile[_MAX_PATH-1]=_T('\0'); |
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m_dwSourceLine=dwLine; |
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_tcsncpy(m_szFunction, pszFunc, _MAX_PATH); |
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71 |
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m_szFunction[_MAX_PATH-1]=_T('\0'); |
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m_pszReason=pszReason; |
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m_dwReason=dwReason; |
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m_dwError=dwLastError; |
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}; |
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virtual ~CExceptionEx() { delete [] m_pszReason; }; |
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virtual int RegisterInfo(__EXCPROPINFO* pInfo) |
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{ |
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82 |
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if (pInfo == NULL) |
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return 6; |
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85 |
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86 |
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87 |
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88 |
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RegisterProp(pInfo+0, _T("Source file"), dtString, &m_szSourceFile); |
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89 |
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RegisterProp(pInfo+1, _T("Line"), dtDword, &m_dwSourceLine); |
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RegisterProp(pInfo+2, _T("Function"), dtString, &m_szFunction); |
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RegisterProp(pInfo+3, _T("Reason"), dtPtrToString, &m_pszReason); |
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RegisterProp(pInfo+4, _T("App error"), dtDword, &m_dwReason); |
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RegisterProp(pInfo+5, _T("System error"), dtSysError, &m_dwError); |
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return 6; |
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}; |
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public: |
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static TCHAR* FormatReason(PCTSTR pszReason, ...) |
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{ |
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const size_t stMaxReason = 1024; |
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103 |
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TCHAR szBuf[stMaxReason]; |
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104 |
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va_list marker; |
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106 |
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va_start(marker, pszReason); |
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_vsntprintf(szBuf, stMaxReason - 1, pszReason, marker); |
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szBuf[stMaxReason - 1] = _T('\0'); |
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va_end(marker); |
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110 |
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TCHAR *pszData=new TCHAR[_tcslen(szBuf)+1]; |
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_tcscpy(pszData, szBuf); |
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return pszData; |
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}; |
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116 |
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virtual TCHAR* GetInfo(LPCTSTR pszDesc, TCHAR* pszStr, DWORD dwMaxLen) |
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{ |
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const size_t stMaxData = 1024; |
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120 |
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int iCount=RegisterInfo(NULL); |
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__EXCPROPINFO *pepi=new __EXCPROPINFO[iCount]; |
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RegisterInfo(pepi); |
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if (pszDesc) |
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{ |
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_tcsncpy(pszStr, pszDesc, dwMaxLen-1); |
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pszStr[dwMaxLen-1]=_T('\0'); |
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} |
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else |
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pszStr[0]=_T('\0'); |
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size_t tIndex=_tcslen(pszStr); |
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TCHAR szData[stMaxData]; |
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for (int i=0;i<iCount;i++) |
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{ |
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141 |
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switch(pepi[i].eType) |
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{ |
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case dtString: |
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{ |
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if (pszDesc) |
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_sntprintf(szData, stMaxData - 1, _T("\r\n\t%s: %s"), pepi[i].szName, (TCHAR*)pepi[i].pData); |
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else |
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_sntprintf(szData, stMaxData - 1, _T("%s: %s\r\n"), pepi[i].szName, (TCHAR*)pepi[i].pData); |
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break; |
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} |
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case dtPtrToString: |
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{ |
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if (pszDesc) |
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_sntprintf(szData, stMaxData - 1, _T("\r\n\t%s: %s"), pepi[i].szName, *((TCHAR**)pepi[i].pData)); |
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else |
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_sntprintf(szData, stMaxData - 1, _T("%s: %s\r\n"), pepi[i].szName, *((TCHAR**)pepi[i].pData)); |
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break; |
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} |
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case dtDword: |
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{ |
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if (pszDesc) |
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_sntprintf(szData, stMaxData - 1, _T("\r\n\t%s: %lu"), pepi[i].szName, *((DWORD*)pepi[i].pData)); |
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else |
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_sntprintf(szData, stMaxData - 1, _T("%s: %lu\r\n"), pepi[i].szName, *((DWORD*)pepi[i].pData)); |
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break; |
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} |
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case dtSysError: |
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{ |
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170 |
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TCHAR szSystem[1024]; |
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DWORD dwPos=FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, *((DWORD*)pepi[i].pData), 0, szSystem, 1024, NULL); |
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173 |
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174 |
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while(--dwPos && (szSystem[dwPos] == 0x0a || szSystem[dwPos] == 0x0d)) |
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szSystem[dwPos]=_T('\0'); |
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177 |
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178 |
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if (pszDesc) |
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_sntprintf(szData, stMaxData - 1, _T("\r\n\t%s: %lu (%s)"), pepi[i].szName, *((DWORD*)pepi[i].pData), szSystem); |
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180 |
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else |
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_sntprintf(szData, stMaxData - 1, _T("%s: %lu (%s)\r\n"), pepi[i].szName, *((DWORD*)pepi[i].pData), szSystem); |
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182 |
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183 |
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break; |
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184 |
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} |
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} |
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szData[stMaxData - 1] = _T('\0'); |
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188 |
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189 |
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size_t tLen=_tcslen(szData); |
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if (tIndex+tLen < dwMaxLen-1) |
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_tcscat(pszStr, szData); |
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} |
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194 |
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delete [] pepi; |
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return pszStr; |
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}; |
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198 |
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199 |
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protected: |
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200 |
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void SetReason(PCTSTR pszReason) { if (pszReason) { m_pszReason=new TCHAR[_tcslen(pszReason)+1]; _tcscpy(m_pszReason, pszReason); } else m_pszReason=NULL; }; |
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void RegisterProp(__EXCPROPINFO* pInfo, PCTSTR pszName, PropType type, void* pData) |
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202 |
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{ |
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203 |
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_tcsncpy(pInfo->szName, pszName, 63); |
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pInfo->szName[63]=_T('\0'); |
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pInfo->eType=type; |
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206 |
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pInfo->pData=pData; |
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}; |
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208 |
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209 |
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public: |
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210 |
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211 |
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TCHAR m_szSourceFile[_MAX_PATH]; |
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212 |
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DWORD m_dwSourceLine; |
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213 |
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TCHAR m_szFunction[_MAX_PATH]; |
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214 |
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TCHAR *m_pszReason; |
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215 |
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DWORD m_dwReason; |
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216 |
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DWORD m_dwError; |
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217 |
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}; |
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218 |
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219 |
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#endif |