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Re: waiting for pressed key and reading key

  • To: mathgroup at smc.vnet.net
  • Subject: [mg87616] Re: waiting for pressed key and reading key
  • From: dh <dh at metrohm.ch>
  • Date: Mon, 14 Apr 2008 05:46:10 -0400 (EDT)
  • References: <ftsd13$bar$1@smc.vnet.net>


Hi Adrian,

you may use a "KeyDown" event, e.g. like:

EventHandler["Cursor 

here",{{"KeyDown","a"}:>(var=1;),{"KeyDown","b"}:>(var=2;)}]

hope this helps, Daniel





Adrian Lupascu wrote:

> Hi everyone,

> 

> I am interested to include in a program a part in which the program 

> waits until either of two specific keys are pressed, and once this 

> happens waiting is over and the one key (ut of the two) which was 

> pressed determines the value of a variable. I basically want to use as a 

> mean to read user confirmation.

> I figured out how to do something in this line by using a DynamicModule, 

> with an EventHandler that wait for a mouse click. The problem I have 

> with that is that I would prefer to use keys and also that 

> "MouseClicked" event requires the cursor to be positioned over a certain 

> expression.

> Any help is appreciated.

> 

> Thanks,

> Adrian

> 

> 

> 




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