Detecting when the number of radio buttons changes in a radio button group in Flex

By On November 10, 2008 · Leave a Comment

The following example shows how you can detect when the number of RadioButton objects changes in a RadioButtonGroup in Flex by listening for the numRadioButtonsChanged event.

Full code after the jump.

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Detecting when a RadioButtonGroup has been enabled or disabled in Flex

By On June 25, 2008 · Leave a Comment

In a previous example, “Enabling and disabling RadioButton controls in a RadioButtonGroup in Flex”, we saw how you can enable or disable all of the RadioButton controls in a Flex RadioButtonGroup by setting the enabled property.

The following example shows how you can detect when the enabled property changes by using the enabledChanged event.

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Disabling keyboard navigation on the RadioButton control in Flex

By On June 23, 2008 · 3 Comments

The following example shows how you can disable keyboard navigation within a Flex RadioButton/RadioButtonGroup by extending the RadioButton class and overriding the protected keyDownHandler() method.

Full code after the jump.

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Detecting when a RadioButton has been clicked in a RadioButtonGroup in Flex

By On June 21, 2008 · 2 Comments

The following example shows how you can detect when a RadioButton has been clicked in a FlexRadioButtonGroup by listening for the itemClick event.

Full code after the jump.

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Looping over RadioButton controls in a RadioButtonGroup in Flex

By On June 20, 2008 · Leave a Comment

The following example shows how you can loop over the RadioButton controls in a Flex RadioButtonGroup by using the numRadioButtons property and getRadioButtonAt() method.

Full code after the jump.

 

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Enabling and disabling RadioButton controls in a RadioButtonGroup in Flex

By On June 19, 2008 · Leave a Comment

The following example shows how you can set the visibility of all of the RadioButton controls in a Flex RadioButtonGroup by setting the enabled property.

Full code after the jump.

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Setting the label placement on a RadioButtonGroup in Flex

By On June 19, 2008 · Leave a Comment

The following example shows how you can set the label placement on a series of RadioButton controls in a Flex RadioButtonGroup by setting the labelPlacement property.

Full code after the jump.

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Displaying RadioButton controls using the Repeater in Flex

By On May 28, 2008 · 1 Comment

The following example shows how you can display a series of RadioButtons using the Flex Repeater with an Array data provider.

Full code after the jump.

 

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Clearing a selected RadioButton control in Flex

By On January 6, 2008 · 13 Comments

The following example shows how you can use ActionScript to clear a currently selected radio button by setting the RadioButtonGroup class’s selection property to null.

 

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Determining when the selected radio button has changed

By On October 19, 2007 · 2 Comments

The following examples show how you can detect when the user has selected a different radio button by listening for the change event on the RadioButton control or RadioButtonGroup control.

Full code after the jump.

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Creating a simple multiple-choice quiz using the RadioButton and RadioButtonGroup controls

By On October 17, 2007 · 4 Comments

The following example shows how you can make a very simple multiple-choice type quiz using the RadioButton and RadioButtonGroup controls. Each time you make an incorrect choice and click the check answers button, the selected (incorrect) choice is removed from the Flex application. If you select the correct answer and click the check answers button, [...]

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