Checks if value is valid for the enum registered as enum_type.
If the value exists in that enum, its name, nick and its translated description and help are returned (if value_name,
value_nick, value_desc and value_help are not null).
| enum_type |
the Type of a registered enum |
| value |
an integer value |
| value_name |
return location for the value's name, or null |
| value_nick |
return location for the value's nick, or null |
| value_desc |
return location for the value's translated description, or null |
| value_help |
return location for the value's translated help, or null |
|
true if |