Checking that an item is selected in the Spark DropDownList control in Flex 4

By Peter deHaan On March 12, 2010 · 1 Comment

The following example shows how you can check whether the user has selected an item in the Spark DropDownList control in Flex 4 by setting the Boolean requiresSelection property to true or using a NumberValidator to check the DropDownList control’s selectedIndex property is greater than -1.

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Setting the selected index on the Spark ButtonBar control in Flex 4

By Peter deHaan On February 21, 2009 · 3 Comments

The following example shows how you can set the selected index on a Spark ButtonBar control in Flex 4 by setting the selectedIndex property.

Full code after the jump.

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Using the FxButtonBar control in Flex Gumbo

By Peter deHaan On February 8, 2009 · Leave a Comment

The following example shows how you can use the Flex Gumbo FxButtonBar by setting the dataProvider property to an ArrayCollection object.

Full code after the jump.

 

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Setting a prompt on a ComboBox control in Flex

By Peter deHaan On June 1, 2008 · 15 Comments

The following example shows how you can set a prompt on a Flex ComboBox control by setting the prompt property.

Full code after the jump.

 

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Preventing users from clicking on an Accordion container’s header in Flex

By Peter deHaan On May 30, 2008 · 5 Comments

The following examples show how you can prevent a user from clicking a Flex Accordion container’s header by creating a custom Accordion header renderer.

Full code after the jump.

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Setting the selected index of a Flex LinkBar control

By Peter deHaan On January 20, 2008 · 12 Comments

The following example shows you how you can set the selected index of a LinkBar control in Flex by setting the selectedIndex property using MXML or ActionScript.

Full code after the jump.

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Using a timer to change the selected index of a ViewStack container in Flex

By Peter deHaan On January 4, 2008 · 2 Comments

The following example shows how you can use a timer to change the selected index in a Flex ViewStack container.

Full code after the jump.

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Programmatically changing a Flex Accordion container’s selected index

By Peter deHaan On September 17, 2007 · 15 Comments

The following example shows how you can change the currently selected child in an Accordion container using ActionScript by setting the accordion’s selectedIndex property.

Full code after the jump.

 

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Adding icons to a Flex Accordion control

By Peter deHaan On August 27, 2007 · 4 Comments

The following example demonstrates how you can add embedded icons to a Flex Accordion container.

Full code after the jump.

 

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