93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
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//+----------------------------------------------------------------------------
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//
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// File: cmver.cpp
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//
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// Module: CMSETUP.LIB
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//
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// Synopsis: Implementation of CmVersion class, a utility class that
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// helps in detecting the version of Connection Mananger that
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// is installed.
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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//
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// Author: a-anasj Created 02/11/98
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// quintinb Cleaned Up and removed CRegValue 07/14/98
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// quintinb Rewrote 09/14/98
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//
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//+----------------------------------------------------------------------------
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#include "cmsetup.h"
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#include "reg_str.h"
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CmVersion::CmVersion()
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{
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HKEY hKey;
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LONG lResult;
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m_szCmmgrPath[0] = TEXT('\0');
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//
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// We always want to look in the system directory for cmmgr32.exe first. This is
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// its new install location and the app paths key may be corrupted by a 1.0 profile
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// install.
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//
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MYVERIFY(0 != GetSystemDirectory(m_szCmmgrPath, CELEMS(m_szCmmgrPath)));
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MYVERIFY(CELEMS(m_szPath) > (UINT)wsprintf(m_szPath, TEXT("%s\\cmdial32.dll"),
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m_szCmmgrPath));
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if (!FileExists(m_szPath))
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{
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//
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// The file wasn't in the system directory, now try the app paths key
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//
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m_szCmmgrPath[0] = TEXT('\0');
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m_szPath[0] = TEXT('\0');
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lResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, c_pszRegCmAppPaths, 0, KEY_READ, &hKey);
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if (ERROR_SUCCESS == lResult)
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{
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//
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// Check to see if we have a path to work from.
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//
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DWORD dwSize = MAX_PATH;
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DWORD dwType = REG_SZ;
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if (ERROR_SUCCESS == RegQueryValueEx(hKey, c_pszRegPath, NULL, &dwType,
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(LPBYTE)m_szCmmgrPath, &dwSize))
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{
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//
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// Now construct the base object
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//
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MYVERIFY(CELEMS(m_szPath) > (UINT)wsprintf(m_szPath, TEXT("%s\\cmdial32.dll"),
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m_szCmmgrPath));
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Init();
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}
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RegCloseKey(hKey);
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}
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}
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else
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{
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Init();
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}
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}
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CmVersion::~CmVersion()
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{
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// nothing to do really
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}
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BOOL CmVersion::GetInstallLocation(LPTSTR szStr)
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{
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if ((m_bIsPresent) && (TEXT('\0') != m_szCmmgrPath[0]) && (NULL != szStr))
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{
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lstrcpy(szStr, m_szCmmgrPath);
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}
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return m_bIsPresent;
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}
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