To test if a specific value has been selected in a value list where multiple values are permitted:
Not IsEmpty ( FilterValues ( YourTable::Field ; "Value" ) )
Will be true only if "Value" is a value in the list of values entered/selected inf/for YourTable::Field.
To test and see if all values in the value list are selected:
ValueCount ( FilterValues ( YourTable::Field ; ValueListItems ( Get ( fileName ) ; "YourValueListNameInQuotesHere" ) ) = ValueCount ( ValueListItems ( Get ( fileName ) ; "YourValueListNameInQuotesHere" )
Thanks for your support Phil,
My problem was "ValueListItems", couldn't find that function in Dutch, but thanks to your explanation I could find it.