[IronPython] Events on Buttons, and Focus, in IronPython

[Ken MacDonald]

Hi,
I've inherited an I-P app, and trying to make some sense of it... It has a
login page, with several text fields including "user" and "password"; and
"OK" and "CANCEL" buttons. Right now, you enter the user/password into the
text fields, and then have to click the "OK" button to login. Customer would
like this to work like most other apps, where filling in user/password and
then typing the "Enter" key would also initiate the login. I've searched the
I-P book and googled, but I can't find a workable reference to how to write
a handler to determine the Enter key has been hit - actually, I was able to
catch a keyboard event:

pwd_fld.KeyDown += on_enter

def on_enter(self, e, args)
    # what here???

but unable to determine what the keystroke is - "Iron Python In Action"
suggests:

if e.Key == Key.Enter:
     # start login

but I get the error "e has no attribute 'Key'"

Clues appreciated....
Ken
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