1 | unit UGeneralRegistry;
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2 |
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3 | {$mode delphi}{$H+}
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4 |
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5 | interface
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6 |
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7 | uses
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8 | Classes, SysUtils, IniFiles, XMLRead, XMLWrite, DOM, Registry;
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9 |
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10 | type
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11 | TRegistryRoot = (rrUnknown, rrApplicationUser, rrApplicationGlobal,
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12 | rrSystemUser, rrSystemGlobal);
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13 |
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14 | TRegKeyInfo = record
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15 | NumberSubKeys: Integer;
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16 | MaxSubKeyLength: Integer;
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17 | NumberValues: Integer;
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18 | MaxValueLength: Integer;
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19 | MaxDataLength: Integer;
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20 | CreationTime: TDateTime;
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21 | ModificationTime: TDateTime;
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22 | end;
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23 |
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24 | TRegValueType = (vtUnknown, vtInteger, vtString, vtBinary, vtFloat, vtBoolean,
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25 | vtText);
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26 |
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27 | TRegValueInfo = record
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28 | ValueType: TRegValueType;
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29 | Size: Integer;
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30 | end;
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31 |
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32 | TRegKey = record
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33 | Root: NativeInt;
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34 | Path: string;
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35 | end;
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36 |
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37 | { TBaseRegistry }
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38 |
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39 | TBaseRegistry = class
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40 | private
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41 | protected
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42 | FCurrentRoot: NativeInt;
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43 | FCurrentKey: string;
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44 | procedure SetCurrentKey(const AValue: string); virtual; abstract;
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45 | procedure SetCurrentRoot(const AValue: NativeInt); virtual; abstract;
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46 | public
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47 | function KeyExists(const Name: string): Boolean; virtual; abstract;
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48 | function ValueExists(const Name: string): Boolean; virtual; abstract;
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49 | function GetKeyInfo(var Value: TRegKeyInfo): Boolean; virtual; abstract;
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50 | function GetValueInfo(const Name: string; var Value: TRegValueInfo): Boolean; virtual; abstract;
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51 | function GetValueType(const Name: string): TRegValueType; virtual; abstract;
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52 | function GetValueSize(const Name: string): Integer; virtual; abstract;
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53 | function OpenKey(const Key: string; CreateNew: Boolean): Boolean; virtual; abstract;
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54 | procedure CloseKey; virtual; abstract;
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55 | function DeleteKey(const Name: string; Recursive: Boolean = False): Boolean; virtual; abstract;
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56 | function DeleteValue(const Name: string): Boolean; virtual; abstract;
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57 | function RenameValue(const OldName, NewName: string): Boolean; virtual; abstract;
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58 | function ReadBool(const Name: string): Boolean; virtual; abstract;
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59 | function ReadDateTime(const Name: string): TDateTime; virtual; abstract;
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60 | function ReadFloat(const Name: string): Double; virtual; abstract;
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61 | function ReadInteger(const Name: string): Integer; virtual; abstract;
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62 | function ReadString(const Name: string): string; virtual; abstract;
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63 | function ReadBinaryData(const Name: string; var Buffer; BufSize: Integer): Integer; virtual; abstract;
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64 | procedure WriteBool(const Name: string; Value: Boolean); virtual; abstract;
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65 | procedure WriteDateTime(const Name: string; Value: TDateTime); virtual; abstract;
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66 | procedure WriteFloat(const Name: string; Value: Double); virtual; abstract;
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67 | procedure WriteInteger(const Name: string; Value: Integer); virtual; abstract;
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68 | procedure WriteString(const Name: string; Value: string); virtual; abstract;
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69 | procedure WriteBinaryData(const Name: string; var Buffer; BufSize: Integer); virtual; abstract;
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70 | function HasSubKeys: Boolean; virtual; abstract;
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71 | procedure GetKeyNames(Strings: TStrings); virtual; abstract;
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72 | procedure GetValueNames(Strings: TStrings); virtual; abstract;
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73 | property CurrentRoot: NativeInt read FCurrentRoot write SetCurrentRoot;
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74 | property CurrentKey: string read FCurrentKey write SetCurrentKey;
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75 | end;
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76 |
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77 | EBackendNotDefined = class(Exception);
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78 |
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79 | { TGeneralRegistry }
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80 |
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81 | TGeneralRegistry = class(TComponent)
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82 | private
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83 | FBackend: TBaseRegistry;
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84 | procedure CheckBackend; inline;
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85 | function GetCurrentKey: string;
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86 | function GetCurrentRoot: NativeInt;
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87 | procedure SetBackend(const AValue: TBaseRegistry);
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88 | procedure SetCurrentKey(const AValue: string);
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89 | procedure SetCurrentRoot(const AValue: NativeInt);
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90 | public
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91 | constructor Create(AOwner: TComponent); override;
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92 | destructor Destroy; override;
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93 | procedure CloseKey;
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94 | function KeyExists(const Name: string): Boolean;
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95 | function ValueExists(const Name: string): Boolean;
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96 | function DeleteKey(const Name: string; Recursive: Boolean = False): Boolean;
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97 | function DeleteValue(const Name: string): Boolean;
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98 | function RenameValue(const OldName, NewName: string): Boolean;
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99 | function GetKeyInfo(out Value: TRegKeyInfo): Boolean;
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100 | function GetValueInfo(const Name: string; out Value: TRegValueInfo): Boolean;
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101 | function GetValueType(const Name: string): TRegValueType;
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102 | function GetValueSize(const Name: string): Integer;
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103 | function OpenKey(const Key: string; CreateNew: Boolean): Boolean;
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104 | function ReadBool(const Name: string): Boolean;
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105 | function ReadDateTime(const Name: string): TDateTime;
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106 | function ReadFloat(const Name: string): Double;
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107 | function ReadInteger(const Name: string): Integer;
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108 | function ReadString(const Name: string): string;
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109 | function ReadBinaryData(const Name: string; var Buffer; BufSize: Integer): Integer;
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110 | function ReadBoolDefault(const Name: string; const DefaultValue: Boolean): Boolean;
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111 | function ReadDateTimeDefault(const Name: string; const DefaultValue: TDateTime): TDateTime;
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112 | function ReadFloatDefault(const Name: string; const DefaultValue: Double): Double;
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113 | function ReadIntegerDefault(const Name: string; const DefaultValue: Integer): Integer;
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114 | function ReadStringDefault(const Name: string; const DefaultValue: string): string;
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115 | procedure WriteBool(const Name: string; Value: Boolean);
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116 | procedure WriteDateTime(const Name: string; Value: TDateTime);
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117 | procedure WriteFloat(const Name: string; Value: Double);
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118 | procedure WriteInteger(const Name: string; Value: Integer);
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119 | procedure WriteString(const Name: string; Value: string);
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120 | procedure WriteBinaryData(const Name: string; var Buffer; BufSize: Integer);
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121 | function HasSubKeys: Boolean;
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122 | procedure GetKeyNames(Strings: TStrings);
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123 | procedure GetValueNames(Strings: TStrings);
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124 | property Backend: TBaseRegistry read FBackend write SetBackend;
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125 | property CurrentRoot: NativeInt read GetCurrentRoot write SetCurrentRoot;
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126 | property CurrentKey: string read GetCurrentKey write SetCurrentKey;
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127 | end;
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128 |
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129 | { TXMLRegistry }
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130 |
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131 | TXMLRegistry = class(TBaseRegistry)
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132 | XMLDocument: TXMLDocument;
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133 | function OpenKey(const Key: string; CreateNew: Boolean): Boolean; override;
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134 | constructor Create;
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135 | destructor Destroy; override;
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136 | end;
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137 |
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138 | { TIniRegistry }
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139 |
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140 | TIniRegistry = class(TBaseRegistry)
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141 | IniFile: TIniFile;
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142 | constructor Create;
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143 | destructor Destroy; override;
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144 | end;
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145 |
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146 | TMemoryRegistry = class(TBaseRegistry)
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147 | end;
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148 |
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149 | { TWinRegistry }
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150 |
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151 | TWinRegistry = class(TBaseRegistry)
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152 | protected
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153 | procedure SetCurrentKey(const AValue: string); override;
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154 | procedure SetCurrentRoot(const AValue: NativeInt); override;
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155 | public
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156 | BasePath: string;
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157 | Registry: TRegistry;
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158 | function KeyExists(const Name: string): Boolean; override;
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159 | function ValueExists(const Name: string): Boolean; override;
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160 | function GetKeyInfo(var Value: TRegKeyInfo): Boolean; override;
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161 | function GetValueInfo(const Name: string; var Value: TRegValueInfo): Boolean; override;
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162 | function GetValueType(const Name: string): TRegValueType; override;
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163 | function GetValueSize(const Name: string): Integer; override;
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164 | function OpenKey(const Key: string; CreateNew: Boolean): Boolean; override;
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165 | procedure CloseKey; override;
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166 | function DeleteKey(const Name: string; Recursive: Boolean = False): Boolean; override;
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167 | function DeleteValue(const Name: string): Boolean; override;
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168 | function RenameValue(const OldName, NewName: string): Boolean; override;
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169 | function ReadBool(const Name: string): Boolean; override;
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170 | function ReadDateTime(const Name: string): TDateTime; override;
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171 | function ReadFloat(const Name: string): Double; override;
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172 | function ReadInteger(const Name: string): Integer; override;
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173 | function ReadString(const Name: string): string; override;
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174 | function ReadBinaryData(const Name: string; var Buffer; BufSize: Integer): Integer; override;
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175 | procedure WriteBool(const Name: string; Value: Boolean); override;
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176 | procedure WriteDateTime(const Name: string; Value: TDateTime); override;
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177 | procedure WriteFloat(const Name: string; Value: Double); override;
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178 | procedure WriteInteger(const Name: string; Value: Integer); override;
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179 | procedure WriteString(const Name: string; Value: string); override;
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180 | procedure WriteBinaryData(const Name: string; var Buffer; BufSize: Integer); override;
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181 | function HasSubKeys: Boolean; override;
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182 | procedure GetKeyNames(Strings: TStrings); override;
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183 | procedure GetValueNames(Strings: TStrings); override;
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184 | constructor Create;
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185 | destructor Destroy; override;
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186 | end;
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187 |
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188 | const
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189 | RegValueTypeName: array[TRegValueType] of string = ('Unknown', 'Integer', 'String',
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190 | 'Binary', 'Float', 'Boolean', 'Text');
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191 |
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192 | procedure Register;
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193 |
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194 |
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195 | implementation
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196 |
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197 | resourcestring
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198 | SBackendNotDefined = 'Backend not defined';
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199 |
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200 | procedure Register;
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201 | begin
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202 | RegisterComponents('Samples', [TGeneralRegistry]);
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203 | end;
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204 |
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205 | { TWinRegistry }
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206 |
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207 | procedure TWinRegistry.SetCurrentKey(const AValue: string);
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208 | begin
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209 | if FCurrentKey = AValue then Exit;
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210 | OpenKey(AValue, False);
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211 | end;
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212 |
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213 | procedure TWinRegistry.SetCurrentRoot(const AValue: NativeInt);
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214 | begin
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215 | if FCurrentRoot = AValue then Exit;
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216 | FCurrentRoot := AValue;
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217 | if AValue = Integer(rrApplicationUser) then begin
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218 | Registry.RootKey := HKEY_CURRENT_USER;
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219 | BasePath := '\Software\Company\Product';
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220 | end;
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221 | if AValue = Integer(rrApplicationGlobal) then begin
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222 | Registry.RootKey := HKEY_LOCAL_MACHINE;
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223 | BasePath := '\Software\Company\Product';
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224 | end;
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225 | end;
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226 |
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227 | function TWinRegistry.KeyExists(const Name: string): Boolean;
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228 | begin
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229 | Result := Registry.KeyExists(Name);
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230 | end;
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231 |
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232 | function TWinRegistry.ValueExists(const Name: string): Boolean;
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233 | begin
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234 | Result := Registry.ValueExists(Name);
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235 | end;
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236 |
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237 | function TWinRegistry.GetKeyInfo(var Value: TRegKeyInfo): Boolean;
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238 | var
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239 | KeyInfo: Registry.TRegKeyInfo;
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240 | begin
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241 | Result := Registry.GetKeyInfo(KeyInfo);
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242 | if Result then begin
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243 | Value.CreationTime := KeyInfo.FileTime;
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244 | Value.ModificationTime := KeyInfo.FileTime;
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245 | Value.MaxDataLength := KeyInfo.MaxDataLen;
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246 | Value.MaxSubKeyLength := KeyInfo.MaxSubKeyLen;
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247 | Value.MaxValueLength := KeyInfo.MaxValueLen;
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248 | Value.NumberSubKeys := KeyInfo.NumSubKeys;
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249 | Value.NumberValues := KeyInfo.NumValues;
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250 | end;
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251 | end;
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252 |
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253 | function TWinRegistry.GetValueInfo(const Name: string; var Value: TRegValueInfo): Boolean;
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254 | var
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255 | ValueInfo: Registry.TRegDataInfo;
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256 | begin
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257 | Result := Registry.GetDataInfo(Name, ValueInfo);
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258 | if Result then begin
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259 | Value.Size := ValueInfo.DataSize;
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260 | case ValueInfo.RegData of
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261 | rdUnknown: Value.ValueType := vtUnknown;
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262 | rdString: Value.ValueType := vtString;
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263 | rdExpandString: Value.ValueType := vtText;
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264 | rdBinary: Value.ValueType := vtBinary;
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265 | rdInteger: Value.ValueType := vtInteger;
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266 | end;
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267 | end;
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268 | end;
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269 |
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270 | function TWinRegistry.GetValueType(const Name: string): TRegValueType;
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271 | var
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272 | ValueInfo: TRegValueInfo;
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273 | begin
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274 | if GetValueInfo(Name, ValueInfo) then
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275 | Result := ValueInfo.ValueType else Result := vtUnknown;
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276 | end;
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277 |
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278 | function TWinRegistry.GetValueSize(const Name: string): Integer;
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279 | begin
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280 | Result := Registry.GetDataSize(Name);
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281 | end;
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282 |
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283 | function TWinRegistry.OpenKey(const Key: string; CreateNew: Boolean): Boolean;
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284 | begin
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285 | Result := Registry.OpenKey(Key, CreateNew);
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286 | FCurrentKey := Key;
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287 | end;
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288 |
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289 | procedure TWinRegistry.CloseKey;
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290 | begin
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291 | Registry.CloseKey;
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292 | end;
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293 |
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294 | function TWinRegistry.DeleteKey(const Name: string; Recursive: Boolean
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295 | ): Boolean;
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296 | var
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297 | SubKeys: TStringList;
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298 | I: Integer;
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299 | begin
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300 | try
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301 | SubKeys := TStringList.Create;
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302 | if Recursive and OpenKey(Name, False) and HasSubKeys then begin
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303 | GetKeyNames(SubKeys);
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304 | for I := 0 to SubKeys.Count - 1 do
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305 | DeleteKey(Name + '\' + SubKeys[I], True);
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306 | end;
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307 | Result := Registry.DeleteKey(Name);
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308 | finally
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309 | SubKeys.Free;
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310 | end;
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311 | end;
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312 |
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313 | function TWinRegistry.DeleteValue(const Name: string): Boolean;
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314 | begin
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315 | Result := Registry.DeleteValue(Name);
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316 | end;
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317 |
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318 | function TWinRegistry.RenameValue(const OldName, NewName: string): Boolean;
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319 | begin
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320 | Result := True;
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321 | Registry.RenameValue(OldName, NewName);
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322 | end;
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323 |
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324 | function TWinRegistry.ReadBool(const Name: string): Boolean;
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325 | begin
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326 | Result := Registry.ReadBool(Name);
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327 | end;
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328 |
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329 | function TWinRegistry.ReadDateTime(const Name: string): TDateTime;
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330 | begin
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331 | Result := Registry.ReadDateTime(Name);
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332 | end;
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333 |
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334 | function TWinRegistry.ReadFloat(const Name: string): Double;
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335 | begin
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336 | Result := Registry.ReadFloat(Name);
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337 | end;
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338 |
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339 | function TWinRegistry.ReadInteger(const Name: string): Integer;
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340 | begin
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341 | Result := Registry.ReadInteger(Name);
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342 | end;
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343 |
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344 | function TWinRegistry.ReadString(const Name: string): string;
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345 | begin
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346 | Result := Registry.ReadString(Name);
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347 | end;
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348 |
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349 | function TWinRegistry.ReadBinaryData(const Name: string; var Buffer;
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350 | BufSize: Integer): Integer;
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351 | begin
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352 | Result := Registry.ReadBinaryData(Name, Buffer, BufSize);
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353 | end;
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354 |
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355 | procedure TWinRegistry.WriteBool(const Name: string; Value: Boolean);
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356 | begin
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357 | Registry.WriteBool(Name, Value);
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358 | end;
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359 |
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360 | procedure TWinRegistry.WriteDateTime(const Name: string; Value: TDateTime);
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361 | begin
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362 | Registry.WriteDateTime(Name, Value);
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363 | end;
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364 |
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365 | procedure TWinRegistry.WriteFloat(const Name: string; Value: Double);
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366 | begin
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367 | Registry.WriteFloat(Name, Value);
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368 | end;
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369 |
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370 | procedure TWinRegistry.WriteInteger(const Name: string; Value: Integer);
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371 | begin
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372 | Registry.WriteInteger(Name, Value);
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373 | end;
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374 |
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375 | procedure TWinRegistry.WriteString(const Name: string; Value: string);
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376 | begin
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377 | Registry.WriteString(Name, Value);
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378 | end;
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379 |
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380 | procedure TWinRegistry.WriteBinaryData(const Name: string; var Buffer;
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381 | BufSize: Integer);
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382 | begin
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383 | Registry.WriteBinaryData(Name, Buffer, BufSize);
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384 | end;
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385 |
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386 | function TWinRegistry.HasSubKeys: Boolean;
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387 | begin
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388 | Result := Registry.HasSubKeys;
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389 | end;
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390 |
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391 | procedure TWinRegistry.GetKeyNames(Strings: TStrings);
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392 | var
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393 | I: Integer;
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394 | begin
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395 | Registry.GetKeyNames(Strings);
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396 | // for I := 0 to Strings.Count - 1 do
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397 | // Strings[I] := AnsiToUtf8(Strings[I]);
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398 | end;
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399 |
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400 | procedure TWinRegistry.GetValueNames(Strings: TStrings);
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401 | begin
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402 | Registry.GetValueNames(Strings);
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403 | end;
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404 |
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405 | constructor TWinRegistry.Create;
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406 | begin
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407 | Registry := TRegistry.Create;
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408 | end;
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409 |
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410 | destructor TWinRegistry.Destroy;
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411 | begin
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412 | Registry.Free;
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413 | inherited Destroy;
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414 | end;
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415 |
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416 | { TIniRegistry }
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417 |
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418 | constructor TIniRegistry.Create;
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419 | begin
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420 | //IniFile := TIniFile.Create;
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421 | end;
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422 |
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423 | destructor TIniRegistry.Destroy;
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424 | begin
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425 | //IniFile.Free;
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426 | inherited Destroy;
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427 | end;
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428 |
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429 | { TXMLRegistry }
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430 |
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431 | function TXMLRegistry.OpenKey(const Key: string; CreateNew: Boolean): Boolean;
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432 | begin
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433 |
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434 | end;
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435 |
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436 | constructor TXMLRegistry.Create;
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437 | begin
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438 | XMLDocument := TXMLDocument.Create;
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439 | end;
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440 |
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441 | destructor TXMLRegistry.Destroy;
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442 | begin
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443 | XMLDocument.Free;
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444 | inherited Destroy;
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445 | end;
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446 |
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447 | { TGeneralRegistry }
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448 |
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449 | procedure TGeneralRegistry.CheckBackend;
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450 | begin
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451 | if not Assigned(Backend) then
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452 | raise EBackendNotDefined.Create(SBackendNotDefined);
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453 | end;
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454 |
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455 | function TGeneralRegistry.GetCurrentKey: string;
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456 | begin
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457 | CheckBackend;
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458 | Result := Backend.CurrentKey;
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459 | end;
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460 |
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461 | function TGeneralRegistry.GetCurrentRoot: NativeInt;
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462 | begin
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463 | CheckBackend;
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464 | Result := Backend.CurrentRoot;
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465 | end;
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466 |
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467 | procedure TGeneralRegistry.SetBackend(const AValue: TBaseRegistry);
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468 | begin
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469 | if FBackend = AValue then Exit;
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470 | if Assigned(FBackend) then FreeAndNil(FBackend);
|
---|
471 | FBackend := AValue;
|
---|
472 | end;
|
---|
473 |
|
---|
474 | procedure TGeneralRegistry.SetCurrentKey(const AValue: string);
|
---|
475 | begin
|
---|
476 | CheckBackend;
|
---|
477 | Backend.CurrentKey := AValue;
|
---|
478 | end;
|
---|
479 |
|
---|
480 | procedure TGeneralRegistry.SetCurrentRoot(const AValue: NativeInt);
|
---|
481 | begin
|
---|
482 | CheckBackend;
|
---|
483 | Backend.CurrentRoot := AValue;
|
---|
484 | end;
|
---|
485 |
|
---|
486 | procedure TGeneralRegistry.CloseKey;
|
---|
487 | begin
|
---|
488 | CheckBackend;
|
---|
489 | Backend.CloseKey;
|
---|
490 | end;
|
---|
491 |
|
---|
492 | function TGeneralRegistry.KeyExists(const Name: string): Boolean;
|
---|
493 | begin
|
---|
494 | CheckBackend;
|
---|
495 | Result := Backend.KeyExists(Name);
|
---|
496 | end;
|
---|
497 |
|
---|
498 | function TGeneralRegistry.ValueExists(const Name: string): Boolean;
|
---|
499 | begin
|
---|
500 | CheckBackend;
|
---|
501 | Result := Backend.ValueExists(Name);
|
---|
502 | end;
|
---|
503 |
|
---|
504 | function TGeneralRegistry.DeleteValue(const Name: string): Boolean;
|
---|
505 | begin
|
---|
506 | CheckBackend;
|
---|
507 | Result := Backend.DeleteValue(Name);
|
---|
508 | end;
|
---|
509 |
|
---|
510 | function TGeneralRegistry.RenameValue(const OldName, NewName: string): Boolean;
|
---|
511 | begin
|
---|
512 | CheckBackend;
|
---|
513 | Result := Backend.RenameValue(OldName, NewName);
|
---|
514 | end;
|
---|
515 |
|
---|
516 | function TGeneralRegistry.GetKeyInfo(out Value: TRegKeyInfo): Boolean;
|
---|
517 | begin
|
---|
518 | CheckBackend;
|
---|
519 | Result := Backend.GetKeyInfo(Value);
|
---|
520 | end;
|
---|
521 |
|
---|
522 | function TGeneralRegistry.GetValueInfo(const Name: string; out Value: TRegValueInfo): Boolean;
|
---|
523 | begin
|
---|
524 | CheckBackend;
|
---|
525 | Result := Backend.GetValueInfo(Name, Value);
|
---|
526 | end;
|
---|
527 |
|
---|
528 | function TGeneralRegistry.GetValueType(const Name: string): TRegValueType;
|
---|
529 | begin
|
---|
530 | CheckBackend;
|
---|
531 | Result := Backend.GetValueType(Name);
|
---|
532 | end;
|
---|
533 |
|
---|
534 | function TGeneralRegistry.GetValueSize(const Name: string): Integer;
|
---|
535 | begin
|
---|
536 | CheckBackend;
|
---|
537 | Result := Backend.GetValueSize(Name);
|
---|
538 | end;
|
---|
539 |
|
---|
540 | function TGeneralRegistry.DeleteKey(const Name: string; Recursive: Boolean = False): Boolean;
|
---|
541 | begin
|
---|
542 | CheckBackend;
|
---|
543 | Result := Backend.DeleteKey(Name, Recursive);
|
---|
544 | end;
|
---|
545 |
|
---|
546 | function TGeneralRegistry.OpenKey(const Key: string; CreateNew: Boolean): Boolean;
|
---|
547 | begin
|
---|
548 | CheckBackend;
|
---|
549 | Result := Backend.OpenKey(Key, CreateNew);
|
---|
550 | end;
|
---|
551 |
|
---|
552 | function TGeneralRegistry.ReadBool(const Name: string): Boolean;
|
---|
553 | begin
|
---|
554 | CheckBackend;
|
---|
555 | Result := Backend.ReadBool(Name);
|
---|
556 | end;
|
---|
557 |
|
---|
558 | function TGeneralRegistry.ReadDateTime(const Name: string): TDateTime;
|
---|
559 | begin
|
---|
560 | CheckBackend;
|
---|
561 | Result := Backend.ReadDateTime(Name);
|
---|
562 | end;
|
---|
563 |
|
---|
564 | function TGeneralRegistry.ReadFloat(const Name: string): Double;
|
---|
565 | begin
|
---|
566 | CheckBackend;
|
---|
567 | Result := Backend.ReadFloat(Name);
|
---|
568 | end;
|
---|
569 |
|
---|
570 | function TGeneralRegistry.ReadInteger(const Name: string): Integer;
|
---|
571 | begin
|
---|
572 | CheckBackend;
|
---|
573 | Result := Backend.ReadInteger(Name);
|
---|
574 | end;
|
---|
575 |
|
---|
576 | function TGeneralRegistry.ReadString(const Name: string): string;
|
---|
577 | begin
|
---|
578 | CheckBackend;
|
---|
579 | Result := Backend.ReadString(Name);
|
---|
580 | end;
|
---|
581 |
|
---|
582 | function TGeneralRegistry.ReadBinaryData(const Name: string; var Buffer;
|
---|
583 | BufSize: Integer): Integer;
|
---|
584 | begin
|
---|
585 | CheckBackend;
|
---|
586 | Result := Backend.ReadBinaryData(Name, Buffer, BufSize);
|
---|
587 | end;
|
---|
588 |
|
---|
589 | function TGeneralRegistry.ReadBoolDefault(const Name: string;
|
---|
590 | const DefaultValue: Boolean): Boolean;
|
---|
591 | begin
|
---|
592 | if ValueExists(Name) then Result := ReadBool(Name)
|
---|
593 | else Result := DefaultValue;
|
---|
594 | end;
|
---|
595 |
|
---|
596 | function TGeneralRegistry.ReadDateTimeDefault(const Name: string;
|
---|
597 | const DefaultValue: TDateTime): TDateTime;
|
---|
598 | begin
|
---|
599 | if ValueExists(Name) then Result := ReadDateTime(Name)
|
---|
600 | else Result := DefaultValue;
|
---|
601 | end;
|
---|
602 |
|
---|
603 | function TGeneralRegistry.ReadFloatDefault(const Name: string;
|
---|
604 | const DefaultValue: Double): Double;
|
---|
605 | begin
|
---|
606 | if ValueExists(Name) then Result := ReadFloat(Name)
|
---|
607 | else Result := DefaultValue;
|
---|
608 | end;
|
---|
609 |
|
---|
610 | function TGeneralRegistry.ReadIntegerDefault(const Name: string;
|
---|
611 | const DefaultValue: Integer): Integer;
|
---|
612 | begin
|
---|
613 | if ValueExists(Name) then Result := ReadInteger(Name)
|
---|
614 | else Result := DefaultValue;
|
---|
615 | end;
|
---|
616 |
|
---|
617 | function TGeneralRegistry.ReadStringDefault(const Name: string;
|
---|
618 | const DefaultValue: string): string;
|
---|
619 | begin
|
---|
620 | if ValueExists(Name) then Result := ReadString(Name)
|
---|
621 | else Result := DefaultValue;
|
---|
622 | end;
|
---|
623 |
|
---|
624 | procedure TGeneralRegistry.WriteBool(const Name: string; Value: Boolean);
|
---|
625 | begin
|
---|
626 | CheckBackend;
|
---|
627 | Backend.WriteBool(Name, Value);
|
---|
628 | end;
|
---|
629 |
|
---|
630 | procedure TGeneralRegistry.WriteDateTime(const Name: string; Value: TDateTime);
|
---|
631 | begin
|
---|
632 | CheckBackend;
|
---|
633 | Backend.WriteDateTime(Name, Value);
|
---|
634 | end;
|
---|
635 |
|
---|
636 | procedure TGeneralRegistry.WriteFloat(const Name: string; Value: Double);
|
---|
637 | begin
|
---|
638 | CheckBackend;
|
---|
639 | Backend.WriteFloat(Name, Value);
|
---|
640 | end;
|
---|
641 |
|
---|
642 | procedure TGeneralRegistry.WriteInteger(const Name: string; Value: Integer);
|
---|
643 | begin
|
---|
644 | CheckBackend;
|
---|
645 | Backend.WriteInteger(Name, Value);
|
---|
646 | end;
|
---|
647 |
|
---|
648 | procedure TGeneralRegistry.WriteString(const Name: string; Value: string);
|
---|
649 | begin
|
---|
650 | CheckBackend;
|
---|
651 | Backend.WriteString(Name, Value);
|
---|
652 | end;
|
---|
653 |
|
---|
654 | procedure TGeneralRegistry.WriteBinaryData(const Name: string; var Buffer;
|
---|
655 | BufSize: Integer);
|
---|
656 | begin
|
---|
657 | CheckBackend;
|
---|
658 | Backend.WriteBinaryData(Name, Buffer, BufSize);
|
---|
659 | end;
|
---|
660 |
|
---|
661 | function TGeneralRegistry.HasSubKeys: Boolean;
|
---|
662 | begin
|
---|
663 | CheckBackend;
|
---|
664 | Result := Backend.HasSubKeys;
|
---|
665 | end;
|
---|
666 |
|
---|
667 | procedure TGeneralRegistry.GetKeyNames(Strings: TStrings);
|
---|
668 | begin
|
---|
669 | CheckBackend;
|
---|
670 | Backend.GetKeyNames(Strings);
|
---|
671 | end;
|
---|
672 |
|
---|
673 | procedure TGeneralRegistry.GetValueNames(Strings: TStrings);
|
---|
674 | begin
|
---|
675 | CheckBackend;
|
---|
676 | Backend.GetValueNames(Strings);
|
---|
677 | end;
|
---|
678 |
|
---|
679 | constructor TGeneralRegistry.Create(AOwner: TComponent);
|
---|
680 | begin
|
---|
681 | Backend := TWinRegistry.Create;
|
---|
682 | TWinRegistry(Backend).CurrentRoot := HKEY_CURRENT_USER;
|
---|
683 | TWinRegistry(Backend).CurrentKey := 'Software\Company\' +
|
---|
684 | ApplicationName;
|
---|
685 | // TWinRegistry(Backend).CurrentKey := 'Software\' + VendorName + '\' +
|
---|
686 | // ApplicationName;
|
---|
687 | inherited Create(AOwner);
|
---|
688 | end;
|
---|
689 |
|
---|
690 | destructor TGeneralRegistry.Destroy;
|
---|
691 | begin
|
---|
692 | if Assigned(Backend) then Backend.Free;
|
---|
693 | inherited Destroy;
|
---|
694 | end;
|
---|
695 |
|
---|
696 | end.
|
---|
697 |
|
---|