how to call other exe file in Eprime?

[David McFarlane]

At 11/3/2007 11:28 PM Saturday, Chunhui Chen wrote:

>Hi, I used to write Visual Basic scripts and now I want to use 
>Eprime. But i don't know how to call executive function in Eprime.
>
>Here is want I wrote in VB
>(1) declare function
>Public Declare Function ShellExecute Lib "shell32.dll" Alias _
>"ShellExecuteA" _
>(ByVal hWnd As Long, ByVal lpOperation As String, _
>ByVal lpFile As String, _
>ByVal lpParameters As String, _
>ByVal lpDirectory As String, _
>ByVal nShowCmd As Long) As Long
>(2) call executive file
>ShellExecute(NULL,"open","calc.exe",NULL,NULL,SW_SHOWNORMAL);

Have you just tried this in E-Prime?  This looks very much like what 
I did several years ago to get direct access to the Windows API in 
order to use some extra keyboard functions (that was before I learned 
that I could do the same thing by testing for key offsets <g>).

The whole "Public Declare ..." stuff works just like in VB, of course 
you have to put your .dll file in the right place, etc.  But I don't 
know anything about ShellExecute, perhaps that is where you're getting stuck.

Is there some compelling reason that you need to call external 
executables instead of just making your whole experiment work in "the 
E-Prime" way?


---
David McFarlane, Systems Designer
Dept. Psychology, Michigan State University
mcfarla9 at msu.edu    www.msu.edu/~mcfarla9
Voice: (517) 353-0799    Fax: (517) 353-1652


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