ToolBar component. Item can be: Button - simple button for the ToolBar; ComboBox - TextBox with auto-complete functionality; DropDownBox with predefined options; MenuButton - button, which calls pop-up layer with button list; PopupButton - button, which opens user defined layer; ToggleButton - two statuses button (checked or unchecked); Separator - item groups separator for the ToolBar; TextBox for text input.