EntrySet.Controls Namespace
TabControl Component
The TabControl displays multiple tabs, like dividers in a notebook or labels in a set of folders in a filing cabinet. The tabs can contain pictures and other controls.

The PureComponents TabControl displays multiple tabs, like dividers in a notebook or labels in a set of folders in a filing cabinet. The tabs can contain pictures and other controls. You can use the tab control to produce the kind of multiple-page dialog box that appears many places in the Windows operating system, such as the Display control panel.
The most important property of the TabControl is TabPages, which contains the individual tabs. Each individual tab is a TabPage object. When a tab is clicked, it raises the Click event for that TabPage object.
TabControl has two regimes how to manipulate with TabPages, which are invisible. This happens if th TabControl contains more tab pages that it can display across the width. This regime can be set in TabButtonMode property. If you se the Popup, small button with down arrow ikon display in right upper conner. By means of this the popup menu with the TabPages list display and it is visible. If you set Buttons in TabButtonMode property, two buttons display in right upper corener of TabControl. By these buttons you move tab pages left and right.