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Re: GET_KBRD(0) doesn't work in Windows NT [message #9866]

Fri, 29 August 1997 00:00

Liam Gumley
Messages: 473
Registered: November 1994

Senior Member

Liam Gumley wrote:

> Under IDL 5.0.2 on my SGI Unix box, the following code will keep
> displaying the message until a key is pressed.
>
> while get_kbrd(0) eq '' do print, 'Press any key to stop'
>
> Under IDL 5.0.2 on a PC running Windows NT 3.51, pressing a key has no
> effect - I have to kill IDL to get out of the loop.
>
> Is this a well known problem with GET_KBRD()? If so, how do I get a
> single keypress in Windows?

It turns out that I was pressing the 'Enter' key, and this is what caused
IDL to stop responding in NT 3.51. The online help does warn against
trying to get keypresses from control keys, but I guess I was used to
getting keypress events from the 'Enter' key in Unix, and I was expecting
it to work under NT (silly me). Keypresses from normal alphanumeric keys
seem to work as expected.

Cheers,
Liam.

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		Re: GET_KBRD(0) doesn't work in Windows NT By: Liam Gumley on Fri, 29 August 1997 00:00
		Re: GET_KBRD(0) doesn't work in Windows NT By: Thomas Bruckbauer on Wed, 27 August 1997 00:00

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