Install Options Conditional Pages?

Can (and if so, how can) configuration pages be only displayed if a particular component is chosen to install? (the page would be config info for the optional component). If so, is there a paradoxical element, based on not knowing which components are chosen when pages are typically displayed?

John

in the pre function for the custom page, check if the section is checked (Look at the helper macros in sections.nsh), if it is not, call abort to skip the page