Value

Meaning

LTWAIN_SHOW_NONE

[0] Do not show the manufacturer's user interface.

LTWAIN_SHOW_USER_INTERFACE

[1] Show the manufacturer's user interface as modeless.

LTWAIN_MODAL_USER_INTERFACE

[2] Show the manufacturer's user interface as a modal dialog. Works only if the LTWAIN_SHOW_USER_INTERFACE flag is set.