If WebTwainDeviceManagerJS class is used in a web application on Windows, WebTwainDeviceManagerJS class allows to work with TWAIN device manager 1.x (TWAIN_32.dll) or TWAIN device manager 2.x (TWAINDSM.dll). Type of TWAIN device manager can be set using the WebTwainDeviceManagerJS.get_IsTwain2Compatible function.

If TWAIN device manager 1.x (TWAIN_32.dll) is used, WebTwainDeviceManagerJS class allows to work with 32-bit TWAIN devices 1.x and WIA devices.

If TWAIN device manager 2.x (TWAINDSM.dll) is used, WebTwainDeviceManagerJS class allows to work with 32-bit TWAIN devices 1.x/2.x and 64-bit TWAIN devices 2.x.

Using the VintaSoft Web TWAIN service in a web application on Linux

If WebTwainDeviceManagerJS class is used in a web application on Linux, WebTwainDeviceManagerJS class allows to work with TWAIN device manager 2.x (libtwaindsm.so) and SANE API (libsane.so), i.e. WebTwainDeviceManagerJS class allows to work with 64-bit TWAIN devices 2.x and 64-bit SANE devices.