In a Web AppBuilder for ArcGIS (Developer Edition) 1.2 application, the 'onOpen' and 'onClose' methods are not always called when a widget is opened and closed subsequently.
上次发布: April 1, 2016ArcGIS Web AppBuilder developer edition
The 'onOpen' and 'onClose' methods for some widgets override the BaseWidget method, so the BaseWidget's methods are not invoked. Set a breakpoint in the widget's method.