🚀 go-pugleaf

I belive you will have to use the JInternalFrame's accessor
setClosable(boolean)
to true in order for it to be closable.

There is also a isClosable() that returns a boolean to tell you the current state of the JInternalFrame's closable state.

Wu, Weimin wrote in message <35F99C64.ED7F67D5@784.hypermart.com>...
>Michael,
>
>Thanks for your answer. I quess you are right,  I should use JDesktopPane, but it seems that is not all.
>
>I add a JDesktopPane and add JInternalFrame to the JDesktopPane. Now the frame can be resized, but it CANNOT be closed.
>
>I am not sure if it needs more than JDesktopPane. Anyway, thanks for your answer again.
>
>wu
>
>
>
>Michael A. Long wrote:
>
>> 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
>> >
>