Name: mc57594 Date: 01/10/97


"java.lang.IllegalArgumentException: adjustable value 539 not within legal
bounds (0 .. 0)
        at java.awt.ScrollPaneAdjustable.setValue(ScrollPane.java)
        at
sun.awt.motif.MScrollPanePeer.scrolledVertical(MScrollPanePeer.java:153)
        at java.lang.Thread.run(Thread.java)"
  is printed to stderr when trying to scroll vertically.

Example:
<<
import java.awt.*;

public class SPane extends ScrollPane {
  Panel ip;

  public SPane() {
    ip = new Panel();
    add(ip);
    int i;
    for (i=1;i<100;i++) {
      Button b = new Button("Button" + i);
      ip.add(b);
    }
  }

  void fixdim() {
    ip.resize(100,1000);
    ip.layout();
  }

  public void paint(Graphics g) {
    fixdim();
    super.paint(g);
  }
  
  public void layout() {
    Graphics g;
    g = getGraphics();
    if (g!=null) {
      paint(g);
      super.layout();
    }
  }

  public static void main(String[] args) {
    Frame f = new Frame("Test");
    f.add(new SPane());
    f.pack();
    f.show();
  }
}

>>

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