The setup program for Imaging (tool that ships with Windows > 98) installs the Image
Scan control (OCX) and the 32-bit TWAIN DLLs.
All you have to do is to import this ActiveX control in Delphi and generate
a component wrapper:
Import the ActiveX Control "Kodak Image Scan Control"
(Select Component|Import ActiveX Control...)
Now add a TImgScan Component from the Register "ActiveX" to your form.
Change the following Properties in the Object Inspector: