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problem with jpanels

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Join Date: Oct 2007

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enes

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problem with jpanels

Nov 13th, 2007

when ı add two panels into a frame last panel i added seen on the screeen how can i show both panels in one frame

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Re: problem with jpanels

Nov 13th, 2007

There gone be something wrong with your code. Can you please post it?

PS: Use code tags, press hash "#" sign on post toolbar and paste your code between the tags which will appear

Last edited by peter_budo; Nov 13th, 2007 at 8:32 am.

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Re: problem with jpanels

Nov 13th, 2007

It's probobly a layout issue. Try to use something like this

 Help with Code Tags 
 Java Syntax (Toggle Plain Text) 
 
class MyFrame extends JFrame
{
 
    public MyFrame()
    {
 
     setSize(800,600);
     setTitle("MyFrame");
 
     JPanel panel1 = new JPanel();
     JPanel panel2 = new JPanel();
 
     Container cp = getContentPane();
 
[B][COLOR="Red"]     cp.setLayout(new FlowLayout());[/COLOR][/B]
 
     cp.add(panel1);
     cp.add(panel2);
 
    }
 
 
}
class MyFrame extends JFrame
{
   
    public MyFrame()
    {
    
     setSize(800,600);
     setTitle("MyFrame");

     JPanel panel1 = new JPanel();
     JPanel panel2 = new JPanel();

     Container cp = getContentPane();

[B][COLOR="Red"]     cp.setLayout(new FlowLayout());[/COLOR][/B]

     cp.add(panel1);
     cp.add(panel2);
 
    }
 

}

-Signed Artmann

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jwenting

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Re: problem with jpanels

Nov 13th, 2007

and what makes you think you get only one panel to show if you do that?

As people are clearly allowed to attack me but I'm not allowed to defend myself, I no longer post to this site.

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Artmann

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Re: problem with jpanels

Nov 14th, 2007

My Example will show two panels.
I just wanted to show him how to add a layout to the frame.
If he hasn't done that he will only see one panel.

-Signed Artmann

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Re: problem with jpanels

Nov 14th, 2007

Well, the contentPane of the the JFrams already has a layout. It simply needs to be used correctly. If you use add without any anchor parameter then according to the documentation
As a convenience, BorderLayout interprets the absence of a string specification the same as the constant CENTER

So, simply calling add(Component) twice, is the same as calling add(Component, CENTER) twice. She should be calling add(Component, CENTER) and add(Component, SOUTH), for example.

Of course, changing the layout (as your post showed) is always an option, but is not, strictly speaking, needed.

Java Programmer and Sun Systems Administrator

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Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
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