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Thread: JInternalFrame isnt working why

  1. #1
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    Default JInternalFrame isnt working why

    Hello,

    I'm trying to write a JFrame with a JInternalFrame. I have JMenuBar and JMenuItem when I click it,it should open new JInternalFrame.

    The problem is when I use JDesktopPane it overwrites my mainFraim.getContentPane(). And when I try to add JDesktopPane into
    mainFraim.getContentPane().add(JDesktopPane) it doesnt work can you pls help me to find why? or try to figure out how to add it into my mainFrame.




    desk = new JDesktopPane();
    frmTitsFireCrisis.getContentPane().add(desk,BorderLayout.CENTER);
     
    JMenuItem Sim = new JMenuItem("Simlation of the crisis");
    	//	Sim.setAction(action);
    		Sim.setMnemonic('S');
    		Sim.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,0));
     
    		Sim.addActionListener(new ActionListener(){
    			public void actionPerformed(ActionEvent e){
    			JInternalFrame iT = new JInternalFrame("Crisis");	
    			iT.setVisible(true);
    			iT.setResizable(true);
    		    iT.setClosable(true);
    		    iT.setMaximizable(true);
    		    iT.setIconifiable(true);
    		    iT.setBounds(200,200,200,200);
     
    		    //frmTitsFireCrisis.getContentPane().add(iT);
    //			iT.getContentPane().add(new JButton("but"));
    			desk.add(iT);
    			try{
    				iT.setSelected(true);
    			}
    			catch (Exception ex){
    				ex.printStackTrace();
    			}
    			}
    		});


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: JInternalFrame isnt working why

    Please post a small complete program that compiles, executes and shows the problem.

    One possible problem is calling setVisible before the GUI is built. Call it when the GUI is ready to be seen.
    If you don't understand my answer, don't ignore it, ask a question.

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