Bug 275681 NPE in DialogTab, it doesn't check for null returned by PrintDialog#open
SWT 3.5 RC0 Run control example switch to dialog tab open a print dialog hit escape (or close the dialog by clicking on the cancel button) Exception in thread "main" java.lang.NullPointerException at org.eclipse.swt.examples.controlexample.DialogTab.createButtonSelected(DialogTab.java:191) at org.eclipse.swt.examples.controlexample.DialogTab$2.widgetSelected(DialogTab.java:384) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3880) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473) at org.eclipse.swt.examples.controlexample.ControlExample.main(ControlExample.java:210)
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/DialogTab.java
multiButton.setText("SWT.MULTI");
	
		
		if (RTL_SUPPORT_ENABLE) {
			createOrientationGroup();
		}
		
		
		dialogCombo.addSelectionListener (new SelectionAdapter () {
			public void widgetSelected (SelectionEvent event) {
				dialogSelected (event);
			}
		});
		createButton.addSelectionListener (new SelectionAdapter () {
			public void widgetSelected (SelectionEvent event) {
				createButtonSelected (event);
			}
		});
		SelectionListener buttonStyleListener = new SelectionAdapter () {
			public void widgetSelected (SelectionEvent event) {
				buttonStyleSelected (event);
			}
		};
		okButton.addSelectionListener (buttonStyleListener);
		cancelButton.addSelectionListener (buttonStyleListener);
		yesButton.addSelectionListener (buttonStyleListener);
		noButton.addSelectionListener (buttonStyleListener);
		retryButton.addSelectionListener (buttonStyleListener);
		abortButton.addSelectionListener (buttonStyleListener);
		ignoreButton.addSelectionListener (buttonStyleListener);