My UWP application "Shanghai Metro" has an option to allow user save the metro graph to local file system. The image file is located under project directory, "Assets\shanghaimetro-xl.jpg", and will ask the user to choose a location when saving the image. This is a very common functionality, it's also easy to achieve in UWP applications. The most easy way to do it is to use my library "Edi.UWP. …