🚀 go-pugleaf

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Checkout the SwingSet Example...

\JBuilder2\samples\java\swing-1.01\SwingSet\src

In particular look at the code in InternalWindowPanel.java
It shows good example of the features of Internal Frames.

guy@caresoft.com


Wu, Weimin wrote:

> When I added the JInternalFrame to the applet, I set the "closable" property to true. After reading your message, I checked the
>
> source code, i didnot find "setClosable(true)". So I added code like jInternalFrame1.setClosable(true). It does not work
> either. There is no error message.
>
> Then I added some codes to show if it is closable using the isClosable() method. The method returns true. Just con't close it.
>
> Any idea?
>
> wu
>
> Michael A. Long wrote:
>
> > 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
> > >> >
> > >
>

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