Windows Ten UWP Dev: How to get the interface stuck

Http://edi.wang/post/2016/2/18/windows-10-uwp-async-await-ui-thread

About the UI thread

Here we need a little bit about the concept of the UI threading model, which simply means that the UI thread is running in an infinite loop, and maintaining a message queue, each time the loop starts with the first message of the queue, such as the mouse's press message, and then gives the message to the outermost UI element. It then passes through a series of routed events to each of the UI elements associated with the message, then the so-called Mousebuttondown event, which then fits the Mousebuttonup event, can be combined into a Button's Click event, and then the UI thread enters the next message Again to get the new input information.

http://blog.higan.me/dot-net-thread-dispatch-model-dispatcher/

Windows Ten UWP Dev: How to get the interface stuck