#pragma once #include "twain.h" enum TWSS_EX { TWSS_A4R = TWSS_MAXSIZE + 1, TWSS_A5R, TWSS_A6R, TWSS_B5R, TWSS_B6R, LETTERR, DOUBLELETTER, TWSS_AUTOCROP, TWSS_LONGDOCMENT, TWSS_B5 };