Project: SWT
Bug 267841 MessageBox#open() always returns SWT.CANCEL
Reported: 2009-03-10 09:23:11 | Status: resolved fixed

HEAD MessageBox#open() always returns SWT.CANCEL, see e.g. ControlExample.

Files changed in fix:
bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/MessageBox.java