Registry.DeleteKey |
Top Previous Next |
Syntax function Registry.DeleteKey(Registry: pointer; Key: string): boolean
Alternative Names
Description Removes a registry key and its values for the given Registry object for the path given in Key.
Returns TRUE if the key is deleted, FALSE otherwise.
See also
Example execute udsblock returns( out_vc varchar(1000), out_int integer, out_float double precision, out_time timestamp) as begin reg = Registry.Open(__HKEY_CURRENT_USER, 0); try /* returns -1 (true) */ out_int = Registry.OpenKey(reg, '\Software\Upscene\DScript\Test', __TRUE);
/* this key doesn't exist, so this returns 0 (false) */ out_int = Registry.KeyExists(reg, 'Newkey');
/* write string value, value name now exists */ Registry.WriteString(reg, 'NewValue', 'string'); out_int = Registry.ValueExists(reg, 'NewValue'); /* returns -1 (true) */ Registry.DeleteValue(reg, 'NewValue'); out_int = Registry.ValueExists(reg, 'NewValue'); /* returns 0 (false) again */
/* write and read several values */ Registry.WriteInteger(reg, 'NameInt', 12); out_int = Registry.ReadInteger(reg, 'NameInt');
Registry.WriteFloat(reg, 'NameFloat', 13.13); out_float = Registry.ReadFloat(reg, 'NameFloat');
Registry.WriteBool(reg, 'NameBool', __FALSE); out_int = Registry.ReadBool(reg, 'NameBool');
Registry.WriteTime(reg, 'NameTime', TIME'12:13'); out_time = Registry.ReadTime(reg, 'NameTime');
Registry.WriteDate(reg, 'NameDate', DATE'2024-12-23'); out_time = Registry.ReadDate(reg, 'NameDate');
Registry.WriteDateTime(reg, 'NameDateTime', TIMESTAMP'2024-12-23 12:13'); out_time = Registry.ReadDateTime(reg, 'NameDateTime');
Registry.CloseKey(reg); /* delete the test key */ out_int = Registry.DeleteKey(reg, '\Software\Upscene\DScript\Test'); /* test key existence, returns 0 (false) */ out_int = Registry.KeyExists(reg, '\Software\Upscene\DScript\Test'); finally Registry.Free(reg); end end; |