Classes
 ClassDescription
 Accordion An MX Accordion navigator container has a collection of child MX containers or Spark NavigatorContent containers, but only one of them at a time is visible.
 ApplicationControlBar The ApplicationControlBar container holds components that provide global navigation and application commands For the Halo Application container.
 Box A Halo Box container lays out its children in a single vertical column or a single horizontal row.
 BoxDirection The BoxDirection class specifies constant values for the direction property of the Box container.
 Canvas A Halo Canvas layout container defines a rectangular region in which you place child containers and controls.
 ControlBar The ControlBar container lets you place controls at the bottom of a Halo Panel or Halo TitleWindow container.
 DividedBox A DividedBox container measures and lays out its children horizontally or vertically in exactly the same way as a Box container, but it inserts draggable dividers in the gaps between the children.
 Form The Form container lets you control the layout of a form, mark form fields as required or optional, handle error messages, and bind your form data to the Flex data model to perform data checking and validation.
 FormHeading The FormHeading container is used to display a heading for a group of controls inside a Form container.
 FormItem The FormItem container defines a label and one or more children arranged horizontally or vertically.
 FormItemDirection The FormItemDirection class defines the constant values for the direction property of the FormItem class.
 Grid A Grid container lets you arrange children as rows and columns of cells, similar to an HTML table.
 GridItem The GridItem container defines a grid cell in GridRow container.
 GridRow The GridRow container defines a row in a Grid container, and contains GridCell containers.
 HBox The Halo HBox container lays out its children in a single horizontal row.
 HDividedBox The HDividedBox container lays out its children horizontally in the same way as HBox container, but it inserts a draggable divider in the gap between each child.
 Panel A Halo Panel container consists of a title bar, a caption, a border, and a content area for its children.
 TabNavigator The MX TabNavigator container extends the MX ViewStack container by including a TabBar container for navigating between its child containers.
 Tile A Halo Tile container lays out its children in a grid of equal-sized cells.
 TileDirection The TileDirection class defines the constant values for the direction property of the Tile container.
 TitleWindow A TitleWindow layout container contains a title bar, a caption, a border, and a content area for its child.
 VBox The Halo VBox container lays out its children in a single vertical column.
 VDividedBox The VDividedBox container lays out its children vertically in the same way as the VBox container, but it inserts a draggable divider in the gap between each child.
 ViewStack An MX ViewStack navigator container consists of a collection of child containers stacked on top of each other, where only one child at a time is visible.