Справочник Пользователя для Macromedia flex 2-migrating applications to flex 2

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Styles and Skinning
Using the StyleManager
When you use the StyleManager to apply styles to entire classes, you must now access the class 
with the 
getStyleDeclaration()
 method. For example:
Flex 1.x:
StyleManager.styles.Button.setStyle("color","red");
Flex 2:
StyleManager.getStyleDeclaration("Button").setStyle("color","red");
You can no longer set or get styles as properties of a component or class. You now use 
setStyle()
 and 
getStyle()
. This also applies to using StyleManager. While accessing styles 
this way was discouraged in Flex 1.5, it was not prohibited until now.
Flex 1.x:
var c = myButton.color;
StyleManager.styles.TextArea.color = "red";
Flex 2:
var c:Number = myButton.getStyle("color");
StyleManager.getStyleDeclaration("TextArea").setStyle("color","red");
In addition, you can no longer create a CSSStyleDeclaration object and then apply it to a type 
of control, as the following example shows:
public var styleObj:CSSStyleDeclaration = new CSSStyleDeclaration();
styleObj.setStyle("color","red");
styleObj.setStyle("fontFamily","Tahoma");
StyleManager.styles.Accordion = styleObj;
You must now use the 
setStyle()
 method; for example:
StyleManager.getStyleDeclaration("Accordion").setStyle("color","red");
StyleManager.getStyleDeclaration("Accordion").setStyle("fontFamily","Tahoma
");
You can also use the 
StyleManager.setStyleDeclaration()
 method.
The 
getNonInheritingStyle()
 and 
getInheritingStyle()
 methods were removed. You 
can now use the 
getStyle()
 method instead.