AUI_IMAGE enhancement: IMGOP_LOADDISP (4) supports optional parameter to specify page number:
xcall AUI, AUI_IMAGE, IMGOP_LOADDISP, handle, status, srow, scol, erow, ecol, flags, filename {,pageno}
pageno (num) [in]
may specify the page number of a multi-page TIF to display. The first page is considered 1. 0 is also treated as 1.
Note that in order for this feature to be used with ATE, both server and client must be on A-Shell 6.1.1362.0 or later.