Tag Archives: alpha

Modifying the corner white box on an MX Container when scroll bars are visible in Flex

The following example shows how you can modify the visibility and alpha of the white box in the lower-right corner of an MX Container in Flex when both the horizontal and vertical scroll bars are visible by using the rawChildren property and getChildByName() method.

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Setting the disabled alpha on a Spark TextInput control in Flex 4

In a previous example, “Styling the disabled state on a Spark TextInput control in Flex 4”, we saw how you could style the disabled state on a Spark TextInput control in Flex 4 using CSS.

The following example shows how you can set the alpha of the disabled state of a Spark TextInput control in Flex 4 by creating a custom Spark TextInput skin and setting the alpha property on the disabled skin state.

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Creating a semi-transparent item renderer on a Spark List control in Flex 4

The following example shows how you can create a semi-transparent item renderer on a Spark List control in Flex 4 by creating a custom Spark List skin and a custom item renderer which sets the alpha property on the selected/hovered states.

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Setting the alpha on a Spark Panel container title bar in Flex 4

The following example shows how you can create a Spark Panel container with a semi-transparent title bar in Flex 4 by creating a custom Spark Panel skin and setting the alpha property on the tbFill, tbHilite, and tbDiv skin parts, and then setting the backgroundAlpha style on the Panel container.

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