function RegWriteStringValue(const RootKey: Integer; const SubKeyName, ValueName, Data: String): Boolean;
function RegWriteExpandStringValue(const RootKey: Integer; const SubKeyName, ValueName, Data: String): Boolean;
function RegWriteMultiStringValue(const RootKey: Integer; const SubKeyName, ValueName, Data: String): Boolean;
function RegWriteDWordValue(const RootKey: Integer; const SubKeyName, ValueName: String; const Data: Cardinal): Boolean;
function RegWriteBinaryValue(const RootKey: Integer; const SubKeyName, ValueName, Data: AnsiString): Boolean;