Surffing

Results 2 issues of Surffing

Register Types in the App.xaml.cs like this: ![批注 2021-07-27 143538](https://user-images.githubusercontent.com/34727649/127107372-a3f4b2e8-cc98-4a06-b430-412b81b0e0ee.png) There was an error I call serviceProvider.GetServices() ![批注 2021-07-27 144201](https://user-images.githubusercontent.com/34727649/127107959-6daaebcb-41fa-4cec-a5f0-a8ff97c7e134.png) serviceProvider.GetService is OK. However, only the latest registration can be...

Every time I switch apps, the stream cuts off and I have to reconnect, sometimes just to respond to a message, which is frustrating