microsoftedge.py 文件源码

def event_liveRegionChange(self, obj, nextHandler):
        if isinstance(obj, UIA):
            # Accessibility message alerts.
            # For some messages, system alert event is raised along with this event, so return.
            if obj.role == controlTypes.ROLE_ALERT and obj.UIAElement.cachedAutomationID == "a11y-announcements-message":
                return
        nextHandler()

    # For message alerts, system alert and live region changed are fired at the same time.