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annotate host/tools/Utils/win32/RegKeyEx.cpp @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents 435cced73e2f
children
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1 // ####ECOSHOSTGPLCOPYRIGHTBEGIN####
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2 // -------------------------------------------
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3 // This file is part of the eCos host tools.
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4 // Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
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5 //
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6 // This program is free software; you can redistribute it and/or modify
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7 // it under the terms of the GNU General Public License as published by
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8 // the Free Software Foundation; either version 2 or (at your option) any
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9 // later version.
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10 //
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11 // This program is distributed in the hope that it will be useful, but
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12 // WITHOUT ANY WARRANTY; without even the implied warranty of
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13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 // General Public License for more details.
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15 //
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16 // You should have received a copy of the GNU General Public License
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17 // along with this program; if not, write to the
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18 // Free Software Foundation, Inc., 51 Franklin Street,
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19 // Fifth Floor, Boston, MA 02110-1301, USA.
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20 // -------------------------------------------
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21 // ####ECOSHOSTGPLCOPYRIGHTEND####
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22 // RegKeyEx.cpp : implementation file
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23 //
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24
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25 #include "stdafx.h"
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26 #include "RegKeyEx.h"
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27
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28 #ifdef _DEBUG
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29 #define new DEBUG_NEW
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30 #undef THIS_FILE
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31 static char THIS_FILE[] = __FILE__;
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32 #endif
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33
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34
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35 CRegKeyEx::Value::Value () :
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36 m_dwType(REG_NONE)
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37 {
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38 }
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39
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40 CRegKeyEx::Value::Value (DWORD dw) :
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41 m_dwType(REG_NONE),
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42 m_dw(dw)
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43 {
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44 }
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45
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46 CRegKeyEx::Value::Value (LPCTSTR psz) :
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47 m_dwType(REG_SZ)
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48 {
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49 m_psz=new TCHAR[1+_tcslen(psz)];
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50 _tcscpy(m_psz,psz);
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51 }
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52
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53 CRegKeyEx::Value::~Value ()
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54 {
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55 switch(Type()) {
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56 case REG_SZ:
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57 case REG_EXPAND_SZ:
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58 delete m_psz;
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59 break;
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60 default:
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61 break;
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62 }
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63 }
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64
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65 /////////////////////////////////////////////////////////////////////////////
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66 // CRegKeyEx
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67
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68 CRegKeyEx::~CRegKeyEx()
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69 {
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70 if(m_hKey){
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71 Close();
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72 }
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73 }
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74
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75 CRegKeyEx::CRegKeyEx(HKEY hKeyParent, LPCTSTR lpszKeyName, REGSAM samDesired)
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76 {
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77 Create(hKeyParent,lpszKeyName,REG_NONE,REG_OPTION_NON_VOLATILE,samDesired);
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78 }
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79
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80 bool CRegKeyEx::QueryValue(LPCTSTR pszValueName,CString &str)
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81 {
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82 DWORD dwLen,dwType;
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83 bool rc=(ERROR_SUCCESS==::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,NULL,&dwLen)) && (REG_SZ==dwType||REG_EXPAND_SZ==dwType);
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84 if(rc){
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85 rc&=(ERROR_SUCCESS==CRegKey::QueryValue(str.GetBuffer(1+dwLen),pszValueName,&dwLen));
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86 str.ReleaseBuffer();
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87 }
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88 return rc;
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89 }
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90
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91 bool CRegKeyEx::QueryValue(int nIndex,CString &strName,CString &strValue)
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92 {
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93 DWORD dwType,dwMaxValueNameLen,dwMaxValueLen;
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94 bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&dwMaxValueNameLen,&dwMaxValueLen,NULL,NULL));
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95 if(rc){
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96 dwMaxValueNameLen++;
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97 dwMaxValueLen++;
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98 rc&=(ERROR_SUCCESS==::RegEnumValue(m_hKey,nIndex,strName.GetBuffer(dwMaxValueNameLen),&dwMaxValueNameLen,NULL,&dwType,(LPBYTE)strValue.GetBuffer(dwMaxValueLen),&dwMaxValueLen)) && (REG_SZ==dwType||REG_EXPAND_SZ==dwType);
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99 strName.ReleaseBuffer();
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100 strValue.ReleaseBuffer();
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101 }
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102 return rc;
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103 }
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104
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105 bool CRegKeyEx::QueryValue(LPCTSTR pszValueName,DWORD &dwValue)
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106 {
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107 DWORD dwType;
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108 DWORD dwLen=sizeof DWORD;
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109 return (ERROR_SUCCESS==::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,(LPBYTE)&dwValue,&dwLen) && REG_DWORD==dwType);
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110 }
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111
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112 bool CRegKeyEx::QueryValue(int nIndex,CString &strName,DWORD &dwValue)
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113 {
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114 DWORD dwType,dwMaxValueNameLen;
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115 DWORD dwValueLen=sizeof(DWORD);
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116 bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&dwMaxValueNameLen,NULL,NULL,NULL));
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117 if(rc){
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118 rc&=(ERROR_SUCCESS==::RegEnumValue(m_hKey,nIndex,strName.GetBuffer(1+dwMaxValueNameLen),&dwMaxValueNameLen,NULL,&dwType,(LPBYTE)&dwValue,&dwValueLen)) && (REG_DWORD==dwType);
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119 strName.ReleaseBuffer();
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120 }
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121 return rc;
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122 }
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123
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124 CRegKeyEx::Value CRegKeyEx::QueryValue(LPCTSTR pszValueName)
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125 {
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126 DWORD dwType;
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127 if(ERROR_SUCCESS!=::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,NULL,NULL)){
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128 dwType=REG_NONE;
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129 }
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130 switch(dwType){
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131 case REG_SZ:
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132 {
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133 CString strValue;
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134 return QueryValue(pszValueName,strValue)?Value(strValue):Value();
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135 }
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136 break;
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137 case REG_DWORD:
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138 {
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139 DWORD dw;
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140 return QueryValue(pszValueName,dw)?Value(dw):Value();
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141 }
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142 break;
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143 default:
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144 return Value();
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145 break;
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146 }
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147 }
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148
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149 CRegKeyEx::Value CRegKeyEx::QueryValue(int nIndex,CString &strName)
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150 {
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151 DWORD dwType;
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152 if(ERROR_SUCCESS!=::RegEnumValue(m_hKey,nIndex,NULL,NULL,NULL,&dwType,NULL,NULL)){
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153 dwType=REG_NONE;
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154 }
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155 switch(dwType){
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156 case REG_SZ:
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157 {
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158 CString strValue;
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159 return QueryValue(nIndex,strName,strValue)?Value(strValue):Value();
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160 }
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161 break;
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162 case REG_DWORD:
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163 {
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164 DWORD dw;
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165 return QueryValue(nIndex,strName,dw)?Value(dw):Value();
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166 }
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167 break;
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168 default:
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169 return Value();
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170 break;
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171 }
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172 }
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173
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174 bool CRegKeyEx::QueryKey(int nIndex,CString &strName)
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175 {
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176 DWORD dwNameLen;
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177 bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,&dwNameLen,NULL,NULL,NULL,NULL,NULL,NULL));
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178 if(rc){
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179 dwNameLen++;
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180 rc&=(ERROR_SUCCESS==::RegEnumKey(m_hKey,nIndex,strName.GetBuffer(dwNameLen),dwNameLen));
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181 strName.ReleaseBuffer();
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182 }
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183 return rc;
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184 }