closing applet by clicking button

Greenhorn

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posted 22 years ago

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Hi,
I need to close an applet with click of a button.I tried with system.exit and dispose .Both of them failed.how to do this???
thanks
Srikanth narra

Sean Casey

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Posts: 625

posted 22 years ago

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Again, an applet can't stand-alone, so it is not possible to close it. Are you mistaken an applet for an application? The closest solution I can think of is as follows:
Create an applet and embed that applet in an html page. Within that applet include a button. When this button is pressed have a window popup (still part of the original applet) and add whatever functionality you want in your "stand-alone" applet into that pop-up frame. Within this frame you can have a button, that when pressed disposes of the frame. That's the best I can offer.

Tina Parks

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Posts: 35

posted 22 years ago

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I think it would be easier to include a button on the web page that pops up a window that contains the applet. In the popup window you can have a button that closes the window.
You can see an example on the Web at http://www.nhn.ou.edu/~walkup/demonstrations/WebAssignments/HarmonicMotion001E.htm . Notice that the "Applet Help" button pops up a window containing some text and a "Close" button. The "Open Applet" button, on the other hand, pops up a window containing an applet. Installing a similar "Close" button on the applet window would be very easy.
Try it and see if this is the kind of functionality you are looking for.

Charlie Boss

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posted 22 years ago

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hi srikanth,
I used javascript to achieve this and its easier than it seems.
Here are the steps:
import netscape.javascript.*;
//in the actionlistener for the "close" button call destroy()
//in destroy after doing all your cleanup call
JSObject.getWindow(this).eval("javascript:shutDown()");
//the above code will call the javascript function shutDown which should be defined in the <head></head> of your html containing your applet tags.. hope this helps
oh yeah.. in your applet tags you must have this parameter..
<PARAM NAME="MAYSCRIPT" VALUE="true">

[This message has been edited by Charlie Boss (edited July 06, 2001).]

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