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Article View: borland.public.jbuilder.java.language
Article #18046

Re: Backspace key

#18046
From: Richard Wilkman
Date: Tue, 25 Aug 1998 00:00
39 lines
1593 bytes
John:

Look at java.awt.event.KeyEvent and it's mapping of Virtual Keys
(VK).  You are looking for VK_BACK_SPACE

-Rich

John Sinues wrote:
> 
> How do you trap the backspace key in the
> keyPressed() event?  I'm trying to only
> enable numbers, a period, and a backspace
> in a control.
> 
> My codes so far looks like:
> 
>     char c = e.getKeyChar();
> 
>     if ( !Character.isDigit( c )                        /* number */
>             || ( new Character(c).charValue() != '.' )   /* period */
>             ||  ?? )   /* backspace */ )
>         e.consume();
> 
> TIA.

-- 

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Rich Wilkman
Senior Quality Assurance Engineer
Borland JBuilder Team

If you see something that looks like an opinion up there,
it's mine and mine alone.

Mail sent to me from the newsgroups won't bounce but will
be ignored.  If I have time, I'll respond, but you  have
a better chance if you confine your posts to the newsgroups
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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Subject: Re: Backspace key
Date: 1998/08/25
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