The UWP Notepad Project (Redux): File Open and Custom Dialogs (Premium)

If you followed along with my series The UWP Files, you will recall that me coming to grips with asynchronous programming was a major stumbling block that required weeks of research and work on my part before I finally figured it out. But there was another problem, too. As it turns out, some of the issues I had experienced were related to the invisible firing of event handlers that I briefly me...