Simulating Keypress (beginners question)

[ben robinson]

if i've understood the question, this is very easy to accomplish.
on whatever object is presenting your stimuli and collecting your
responses (probably the same object, possibly a TextObject or
SlideObject), set the InputDevice to Keyboard, Allowable responses to
"12" (without the quotes, which will make both 1 and 2 allowable
resposes), Duration to 3000, and EndAction to Terminate.
doing this will cause your Stim object to run for 3000 ms, during
which time it will accept responses of 1 or 2 only, and when one of
those responses is received the Stim object will Terminate, going to
the object in your procedure.  if no response is received the object
will terminate after 3000 ms.  this should be covered somewhere near
the very beginning of the Getting Started guide which comes with
E-Prime...

ben

On Mon, Oct 31, 2011 at 12:46 PM, Marc <marclatz885 at googlemail.com> wrote:
> hi there,
>
> I'm just starting using E-Prime (with some VB experience, though) and
> was trying to do something simple as that:
>
> There are three stimuluses ("1","2","nothing") displayed in a
> TextDisplay element which is set to react on event.
> Correct responses for 1 is 1, for 2 is 2 and for nothing I'd like it
> to be nothing at all.
> In case the stimulus is 1 or 2 the program is supposed to wait for the
> user to make his input, in the "nothing" case it's supposed to wait
> for 3 or so seconds and then go to the next stimulus.
>
> I tried to solve this via VB skills and I'm absolutely stuck here...
>
> My code:
>
> Dim Start as Long
> Dim now as Long
> Start = Clock.Read
>
> if TextDisplay1.CRESP = "" then
>        do
>        DoKeys "a"
>        now= Clock.Read - Start
>        loop until now>2000
> end if
>
> What I'm trying to do is simulating the press of some random key (a in
> this case) in order to move to the next event as soon as the 2000 ms
> are over (a is also among the allowable inputs in my TextDisplay). I
> tried the same with SendKeys and it won't work either, it does,
> though, when I press the a key manually.
>
> What am I doing wrong?
> I'm almost certain there is an easier way to do what I want to do but
> unfortunately I don't seem to be able to figure out what to google/e-
> basic-/eprime search.
>
> Some help (may it be "search for xyz in abc before asking, fool")
> would be greatly appreciated!!
>
> Marc
>
> P.S.: In case you wonder - the programs purpose is simply getting the
> loop to work and then applying it to a bitter, existing e-prime file
> which we want to use as a dependent variable.
>
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