>>WITH THISFORM && or WITH whatever.
>> DO Something
>>ENDWITH
>>
>>In this case, you can then also refer to methods and properties in the "WITH object" (polymorphism).
>
>With at least one exception: THISFORM.whatever
>You will get the error message "THISFORM can only be used within a form method" or something very close to that. It's happened to me a few times.

Well, yes.

The "WITH ... ENDWITH" implies that method and property references in the "DO Procedure" would be of the form .Method() or .Property and would only pertain to the "WITH object" ... the use of THISFORM. or THIS. in the called procedure does not follow.