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button in jpanel should change background of jframe?

Chris Song
Greenhorn

Joined: Jan 29, 2005
Posts: 2
Hello I have created 2 classes

First class is a jpanel and it has a button

Second class is a jframe and displays an object of jpanel.

I wrote this program so that i can understand object oriented programming.

My question is How can i change the jframe background colour by clicking the button that is in the jpanel class?

Could somebody provide me with a similar example. I would really apreciate it.

Thanks
Michael Dunn
Ranch Hand

Joined: Jun 09, 2003
Posts: 4632
this changes the color of the containing JPanel of the main class, not the
JFrame itself.

I've included 2 ways
1) passing a reference of the parent class to the child class
2) just using getParent()

 
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subject: button in jpanel should change background of jframe?