close java frame using code [duplicate]

Question

Possible Duplicate:
How to programmatically close a JFrame

I am developing a java GUI using JFrame. I want to close the GUI frame and dispose it off through code. I have implemented :

topFrame.addWindowListener(new WindowListener()
        {
            public void windowClosing(WindowEvent e)
            {
                emsClient.close();
            }
            public void windowOpened(WindowEvent e) {
            }
            public void windowClosed(WindowEvent e) {
            }
            public void windowIconified(WindowEvent e) {
            }
            public void windowDeiconified(WindowEvent e) {
            }
            public void windowActivated(WindowEvent e) {
            }
            public void windowDeactivated(WindowEvent e) {
            }
        });`

How can I invoke the windowClosing event?? Or is there some other way?

Answer 1

This will programmatically trigger the window closing event:

topFrame.dispatchEvent(new WindowEvent(topFrame, WindowEvent.WINDOW_CLOSING));

If you want to close the frame you need to call:

topFrame.dispose();