Using JTWAIN - where put JTWAIN.DLL ?
hi,
I am trying to use JTwain to acquiring images, and I found that JTwain works easy inside the IDE of Netbens.
But a problem come about the installation of the dll_, that is used from the library of Asprise JTwain _(file AspriseJTwain.dll)_.
The documentation of Asprise JTwain says :
Put AspriseJTwain.dll into your system path, e.g., C:\Windows\System32.Following this suggestion my code work fine, but I need to distribute the program; and for this purpose is not comfortable for me that the installation have to do the copy of the file.dll inside the directory C:\Windows\System32.
I would ask if (in order to do the installation easier) it is a different place (than C:\Windows\System32) where put the dll.
Thank you for any advice..
tonyMrsangelo
Regards
Edited by: user13286583 on Nov 7, 2010 2:29 AM
Thank you Andrew for you answer,
I don't need use Java Web Start feature.
The application runs not in the web, but in a calculator (in stand alone mode).
How I said, I put the dll inside the package of the class that need acquire the image;
I think that this is the same that you said:
“to put the DLL in a Jar” .
When I put resources into the packages, usually, the IDE of Netbeans handles all automatically
(make jar files where classes find the resources...), and the jar that is produced execute properly the program.
But this procedure seem that doesn't work if the resource is a dynamic linked library.
The reason of this, I think, is because the dll are particular resources that don't follow the same management
of the resources of java.
I don't think (and I also hope) that is not my duty (as programmer) to manage the call to the the dll: this duty
is made in the package (library) of Asprise Jtwan... and my supposition is also confirmed, because the program
works fine when the dll is put in the directory C:\Windows\System32.
I think it need to understand better how the JVM uses the work of the Windows XP Operating System.
Thank you
regards
tonyMrsangelo
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