Use the groupIconFunction properties of the AdvancedDataGrid class to define callback functions to control the display of the leaf nodes of the navigation tree.
The following example uses the groupIconFunction property to display a custom icon for the top level node of the navigation tree, and display the default icon for all other leaf nodes of the tree.
Following example show how use Collection(ArrayCollection or XMLListCollection) filterFunction to change data view and how use ActionScript to add item index column.
FlashBuilder 4 is planning a new ItemRenderer wizard/tool to help folks create ItemRenderers for Spark List controls. Because Spark doesn’t yet have a Tree or DataGrid, and because MX Tree and MX DataGrid have a different ItemRenderer contract, the new tool will not be usable in all list-type controls and folks will have to learn both ItemRenderer contracts.
How two way binding can work with binding value conversion.Following example will show how it work.
com/MyTwoWayBinding.as
A two-way data binding expression generates two binding expressions, one with the given source and destination, and the other, with the source and destination reversed.
The DataGroup class is the base container class for data items. The DataGroup class converts data items to visual elements for display. While this container can hold visual elements, it is often used only to hold data items as children.
Following example show BorderContainer backgroundImage and BitmapImage usage.
Following example show BorderContainer how use AS to add layout and draw backgroundFill .
Following example show DropDownList with itemRenderer.
comp/MyDropDownListItemRenerer.mxml
Following example show how to set up a DropDownList without skin or itemRenderer.
Following example show how spark ComboBox setting prompt and disable editable.
Following example show Flex4 ComboBox how to use skin to display icon properties .
skins/MyComboBoxSkin.mxml
