Filter illegal characters

[AT1]

I'm trying to filter illegal file name characters using an event structure.  At the same time I don't want a legal character to be displayed more than once if a key is held down continuously.  I've tried KEY DOWN? and KEY REPEAT? and I can't get my desired results in either case. See the attached.  Thanks in advance.

[Gregory]

If you have a string control you can right click and select the option "value change while typing" or something along those lines. That will cause every time the string is changed to create a value change event.

[altenbach]

You only have a fitering event for "key repeat?. You also need to add a "key down?" fitering event to the same event case.

(You can delete the timeout case. You should also initialzie the shift register).

[altenbach · Accepted solution]

try this....

[AT1]

Excellent!  Thanks for your help.