RE:Como escaneo desde un form
Busca informacion sobre twain...
TWAIN Specification
TWAIN is an industry-standard, open specification that defines the way in which an image acquisition device (typically a scanner) communicates with an application program. With TWAIN, an application program can acquire images through any device that complies with its specification.
For your scanner, or other image acquisition device, to function properly, you need the TWAIN data source from its manufacturer as well as the latest 32-bit TWAIN DLLs. You can obtain the latest 32-bit TWAIN DLLs from the following sources:
World Wide Web -- At http://www.twain.org
FTP -- At ftp.twain.org
Este tiene una serie de dll, para la captura de imagenes , o bien alguno de los ocx ...
Espero te sirva...