s is that an application may not be limited to just asking what the allowed
values are in a range or an enumeration.&nbsp; If the application is currently
negotiating on a color camera, then ICAP_THRESHOLDING may not be available
until the camera context is changed to <span class=SpellE>bitonal</span>.&nbsp;
If the ICAP_XFERMECH is set to allow native mode transfers (bitmaps on Windows
systems) then ICAP_COMPRESSION may only report a possible value of
“none”.&nbsp; So the application has to conduct inqu