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Article View: borland.public.jbuilder.java.api
Article #3538

TextArea problem - help please

#3538
From: Paul Richards
Date: Sat, 29 Nov 1997 00:00
70 lines
2190 bytes
Why won't my TextArea show its contents? The load() method correctly 
loads data using  txtarea = (TextArea)in.readObject(); The debugger 
shows that the txtarea String contains the serialized data - so why 
doesn't it show when repaint() is called?
 
TIA
 
import java.awt.*;          
import java.awt.event.*;     
import java.io.*;        
import java.util.zip.*; 
import java.util.Properties;
 
public class NoteIt02a extends Frame
{
 protected int width, height;
 protected TextArea txtarea, intxtarea;
 protected Frame frame;
 protected Font font;
    // main()
   public static void main(String[] args)
 {
     new NoteIt02a();
 }
 
    // constructor
 public NoteIt02a()
 {
       super( "Note It" );
       txtarea = new TextArea( "", 50, 75, TextArea.SCROLLBARS_NONE );
       txtarea.setBackground( Color.yellow );
       txtarea.setForeground( Color.blue );
       font = new Font( "SansSerif", Font.BOLD, 12 );
       txtarea.setFont( font );
      this.add(txtarea);
       <snip>
}
 
..
void load()
 {
   FileDialog f = new FileDialog( this, "Load NoteIts", 
FileDialog.LOAD );
   f.show();
   String filename = f.getFile();
   if ( filename != null )
    {
     try {
           FileInputStream fis = new FileInputStream( filename 
);
     GZIPInputStream gzis = new GZIPInputStream( fis );
     ObjectInputStream in = new ObjectInputStream( gzis 
);
                txtarea = (TextArea)in.readObject();
     in.close();
           repaint();      ???????????????
          } // end try
     catch ( Exception e )
   {
     System.out.println( e );
   }
   } // end if
  } // end load
 
} // end class
 ++ *Paul*
 ++ from Cheltenham, England  
 ++ Fri, 28 Nov 1997 18:43 GMT  
 ++ WinNT build 1381 + SP3
Technical Details
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From: Paul Richards <paul.richards@virgin.net>
Subject: TextArea problem - help please
Date: 1997/11/29
Message-ID: <VA.00000024.0240884d@p5>
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Newsgroups: borland.public.jbuilder.java.api