php can only call dll's on the server, not the client end (which is what 
I think your doctor wants?).

Todd Williamsen wrote:
> I don't know if this is possible, but I figured there is a small limitation
> on php....
> 
> The scenario...
> 
> I have a client that wants his application revamped from MS Access to mySQL
> and PHP.  Now, he is a doctor in an office and he scans patients information
> in.  He wants the ability to click a button on the GUI which launches the
> scan program(TWAIN32.DLL I think) then automatically saving the scanned file
> in the designated folder or location. I informed him its the scanning
> applications responsibility to scan and automatically save it, so in order
> to designate the location I need to either: 1. Find a program that does
> that, 2. Write a new scanning application.
> 
>  I think this guy is starting to want too much, but if it is possible I
> would like to give it a whirl.
> 
> Is this possible?
> 
> 



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