Class	Package	Short Description
Alert	mx.controls	The Alert control is a pop-up dialog box that contains a title, buttons (such as OK, Cancel, etc.) and an icon.
Button	mx.controls	The Button control is a commonly used rectangular button.
CheckBox	mx.controls	The CheckBox control is commonly used graphical control that can contain a check mark or be unchecked (empty).
ComboBase	mx.controls	The ComboBase is the base class for ComboBox and DateField and other controls that display text and have a button the causes a dropdown to appear where the user can choose which text to display.
ComboBox	mx.controls	The ComboBox control contains a drop-down List from which the user can select a single value.
DataGrid	mx.controls	The DataGrid control is a List that can show more than one column of data.
DateChooser	mx.controls	The DateChooser control displays the name of a month, the year, and a grid of the days of the month, with columns labeled for the day of the week.
DateField	mx.controls	The DateField control is a text field that shows the date with a calendar icon on its right side.
FormItemLabel	mx.controls	The FormItemLabel class is the label portion of a FormItem container.
HRule	mx.controls	The HRule control creates a single horizontal line.
HScrollBar	mx.controls	The HScrollBar (horizontal ScrollBar) control lets you control the portion of data that is displayed when there is too much data to fit in the display area.
HSlider	mx.controls	The HSlider control lets users select a value by moving a slider thumb between the end points of the slider track.
HorizontalList	mx.controls	The HorizontalList control displays a horizontal list of items.
Image	mx.controls	You use the <mx:Image> tag to import JPEG, SVG, PNG, and GIF images and SWF files.
Label	mx.controls	The Label control is a noneditable single line text field.
Link	mx.controls	The Link control is essentially a borderless Button whose contents highlight when the mouse hovers over it.
List	mx.controls	The List control displays a vertical list of single-line items.
Loader	mx.controls	The Loader control displays the contents of a specified SWF or JPG file.
MediaController	mx.controls	The MediaController control complements the MediaDisplay control by providing a user interface that controls media playback using standard controls such as play and pause.
MediaDisplay	mx.controls	The MediaDisplay control lets media be streamed into an application without a supporting user interface.
MediaPlayback	mx.controls	The MediaPlayback control is a combination of the MediaController and MediaDisplay controls.
Menu	mx.controls	The Menu control creates a pop-up menu of individually selectable choices, similar to the File or Edit menu found in most software applications.
MenuBar	mx.controls	The MenuBar control defines a horizontal menu bar that contains one or more Menus.
NumericStepper	mx.controls	The NumericStepper control lets the user select a number from an ordered set.
ProgressBar	mx.controls	The ProgressBar control provides a visual representation of the progress of a task over time.
RadioButton	mx.controls	The RadioButton control lets the user make a single choice within a set of mutually exclusive choices.
RadioButtonGroup	mx.controls	The RadioButtonGroup control defines a group of RadioButton controls which act as a single mutally exclusive control.
SimpleButton	mx.controls	The SimpleButton control creates a button that does not need to be resized.
Spacer	mx.controls	The Spacer control helps you lay out children within a parent container.
Text	mx.controls	The Text control displays multiline, noneditable text.
TextArea	mx.controls	The TextArea control is a multiline text field with a border and optional scroll bars.
TextInput	mx.controls	The TextInput control is a single-line text field that is optionally editable.
TileList	mx.controls	The TileList control displays a number of items laid out in tiles.
ToolTip	mx.controls	The ToolTip control lets you provide helpful information to your users.
Tree	mx.controls	The Tree control lets a user view hierarchical data arranged as an expandable tree.
VRule	mx.controls	The VRule control creates a single vertical line.
VScrollBar	mx.controls	The VScrollBar (vertical ScrollBar) control lets you control the portion of data that is displayed when there is too much data to fit in the display area.
VSlider	mx.controls	The VSlider control lets users select a value by moving a slider thumb between the end points of the slider track.