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Build a UWP Document Scanning App in WebView Context

The Universal Windows Platform (UWP) lets us build apps for any Windows device and publish them to the Store. It is the latest technology of Microsoft to create client apps. We can use the new visuals and features of the latest version of Windows in a UWP app.

Dynamic Web TWAIN (DWT) is a JavaScript document scanning library. If we want to use it to create a document scanning app with UWP, we can utilize UWP’s WebView control. A web view control embeds a view into your app that renders web content using the Microsoft Edge Legacy rendering engine.

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Implementing INotifyPropertyChanged

This is a short post about how to implement INotifyPropertyChanged without using any advanced tooling. I have some small UWP applications where I'm using MVVM to separate presentation and logic. Here is how I use INotifyPropertyChanged with a base class for multiple view models.

First, one's introduction to INotifyPropertyChanged comes usually through some existing view model. The interface is used to communicate to the view that some properties in the view model have changed. Take a look at thePropertyChanged event and theNotifyPropertyChanged method (this method is not part of the interface).