Java开发网 - ECLIPSE 我点一个BUTTON打开另一个窗口不成功啊

Topic: ECLIPSE 我点一个BUTTON打开另一个窗口不成功啊

1.ECLIPSE 我点一个BUTTON打开另一个窗口不成功啊

Posted by: baohuazhang
Posted on: 2004-07-21 12:31

protected void button_Login_clicked() {
    Quotation quote=new Quotation();
    quote.open();
  }

得到ERROR:

at org.eclipse.swt.SWT.error(SWT.java:2691)
  at org.eclipse.swt.SWT.error(SWT.java:2616)
  at org.eclipse.swt.SWT.error(SWT.java:2587)
  at org.eclipse.swt.widgets.Display.checkDisplay(Display.java:568)
  at org.eclipse.swt.widgets.Display.create(Display.java:629)
  at org.eclipse.swt.graphics.Device.<init>(Device.java:99)
  at org.eclipse.swt.widgets.Display.<init>(Display.java:355)
  at org.eclipse.swt.widgets.Display.<init>(Display.java:351)
  at quoteAndBook.Quotation.open(Quotation.java:118)
  at quoteAndBook.Login.button_Login_clicked(Login.java:103)
  at quoteAndBook.Login$1.widgetSelected(Login.java:82)
  at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:89)
  at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82)
  at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:796)
  at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2772)
  at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2431)
  at quoteAndBook.Login.open(Login.java:96)
  at quoteAndBook.Login.main(Login.java:38)
Exception in thread "main"