Macromedia flex 2-migrating applications to flex 2 Manual De Usuario

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Core classes
51
getURL() method
In Flex 1.5, every UIObject inherited the 
getURL()
 method from the MovieClip class. This is 
no longer the case. You now use the 
navigateToURL()
 method in the flash.net package, 
which takes a URLRequest object rather than a String for the URL:
navigateToURL(new URLRequest('url'));
The load and unload events
The 
load
 event, which was previously deprecated, has been removed.
The 
unload
 event has been moved to the SWFLoader object and is dispatched whenever a 
loaded SWF file is removed using the 
LSWFLoader.unload()
 method.
Validation and layout methods
The 
invalidateLayout()
invalidate()
layoutChildren()
 and 
draw()
 methods have 
been removed. Subclasses now override the 
updateDisplayList()
 method, which is now 
protected instead of public.
Drawing methods
The Adobe Flash drawing API methods, such as 
beginFill()
 and 
moveTo()
, are no longer 
inherited by UIObject; they are now methods of the Graphics object, which you access with 
the 
graphics
 property of Sprite, which UIObject inherits.
NO
TE
This change formerly applied to the UIObject class, but because UIObject and 
UIComponent have been combined into a single base class, the change now applies to 
the UIComponent class.
NO
T
E
This change formerly applied to the UIObject class, but because UIObject and 
UIComponent have been combined into a single base class, the change now applies to 
the UIComponent class.
NO
TE
This change formerly applied to the UIObject class, but because UIObject and 
UIComponent have been combined into a single base class, the change now applies to 
the UIComponent class.