🚀 go-pugleaf

I just started playing with this so take this answer with several grains of salt.  I believe you have to, or should, use
JDesktopPane as a container for JInternaFrame.

This is one area where the help file (suprisingly) has some pretty good info.  Just look up JDesktopPane.

Wu, Weimin wrote in message <35F6C23F.C5965536@784.hypermart.com>...
>Hi,
>
>I am trying to use a JInternalFrame in an applet that extends JApplet. I
>am using JBuilder c/s.
>
>I created a JInternalFrame
>
>  JInternalFrame jInternalFrame_login = new
>JInternalFrame("test",true,true,true,true);
>
>and add it to a JPanel, which is added to this. No code is added
>manually ( except extending of  JApplet).
>
>
>Then I test it in AppletViewer. The frame is displayed there and looks
>fine. But when I click the icon on the top of the frame, the frame
>doesnt response. It cannot be maximumized  and closed. It can be
>"iconized", disappeared,  I have to resize the AppletViewer pane to find
>the iconized frame.
>
>The error message is,  java.lang.NullPointerException.
>
>Is there anybody could help me with this problem? Thanks.
>
>
>
>
>
>wu
>