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To use the Windows Image Acquisition (WIA) scripting model, you must have the file Wiascr.dll installed and registered on the computer.
Note
This scripting system has been replaced with Windows Image Acquisition (WIA) Automation Layer. See Windows Image Acquisition Automation Layer.
Copy this file from the WIA SDK into the %windir%/System32 (for example, c:\windows\System32) directory. At the command line, navigate to this directory, and type regsvr32 Wiascr.dll.
This enters the necessary information in the system registry.
You are now ready to use the WIA scripting model.