The FromValue property defines a value or set of values that is to be translated. If the value is a set the syntax - should ...

The FromValue property defines a value or set of values that is to be translated. If the value is a set the syntax - should be used. This will be interpreted as meaning any value in collating sequence order between and including value1 and value2. If the character \"-\" is to be included it should be escaped with a \\ character