store.getString(IWorkbenchPreferenceConstants.ALT_OPEN_NEW_PERSPECTIVE);
store.getString(IWorkbenchPreferenceConstants.ALTERNATE_OPEN_NEW_PERSPECTIVE);
	public void run(SelectionEvent event) {		IPreferenceStore store= WorkbenchPlugin.getDefault().getPreferenceStore();		String perspectiveSetting=			store.getString(IWorkbenchPreferenceConstants.OPEN_NEW_PERSPECTIVE);		if ((event.stateMask & SWT.ALT) > 0)			perspectiveSetting =				store.getString(IWorkbenchPreferenceConstants.ALT_OPEN_NEW_PERSPECTIVE);		else {			if ((event.stateMask & SWT.SHIFT) > 0)				perspectiveSetting =					store.getString(IWorkbenchPreferenceConstants.SHIFT_OPEN_NEW_PERSPECTIVE);		}		runWithPerspectiveSetting(perspectiveSetting);	}