Folders FOLDER combined with PAGE containers render as folder tabs, and must be controlled with a DIALOG instruction. Understanding folder tabsFolders allow to display a set of form elements in dedicated pages (aka folder tabs). Controlling folder renderingFolder rendering can be controlled by the use of presentation styles and folder attributes.Detecting folder page focus changesField focus change defines the current folder page.Bring a folder page to the topHow to make a folder page current?Nested folder tabsFolder pages can contain other folders. How to deal with this?Using actions for page selectionAn action event handler can be associated to a given folder page.