Re: Get frame reference

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From	"Michael Rauscher" <michael.rauscher@THRWHITE.remove-dii-this>
Subject	Re: Get frame reference
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Date	Wed, 27 Apr 2011 15:31:18 GMT
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  To: comp.lang.java.gui
Rogan Dawes wrote:
> Andrew Thompson wrote:
>> Component has a getParent() method.
>> Keep calling that in a loop till the
>> call returns a null component, and you
>> should have the root component.
>>
> And SwingUtilities has a method that will do this for you:

No. windowForComponent just calls getWindowAncestor. And 
getWindowAncestor returns the *first* Window ancestor of a given 
component. Andrew's method returns the *last* Component ancestor (which 
might be a Window).

To get the root Window (or root Applet) of a component, 
SwingUtilities#getRoot may be used. To get the root Component of a 
component use Andrew's method. To get a component's window use 
windowForComponent (or getWindowAncestor).

Of course, there might be additional predefined methods - who knows? ;)

Bye
Michael

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Get frame reference "Tony B" <tony.b@THRWHITE.remove-dii-this> - 2011-04-27 15:31 +0000
  Re: Get frame reference "Andrew Thompson" <andrew.thompson@THRWHITE.remove-dii-this> - 2011-04-27 15:31 +0000
    Re: Get frame reference "Rogan Dawes" <rogan.dawes@THRWHITE.remove-dii-this> - 2011-04-27 15:31 +0000
      Re: Get frame reference "Tony B" <tony.b@THRWHITE.remove-dii-this> - 2011-04-27 15:31 +0000
      Re: Get frame reference "Michael Rauscher" <michael.rauscher@THRWHITE.remove-dii-this> - 2011-04-27 15:31 +0000

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