Book Image

C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development - Fourth Edition

By : Mark J. Price
Book Image

C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development - Fourth Edition

By: Mark J. Price

Overview of this book

In C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development, Fourth Edition, expert teacher Mark J. Price gives you everything you need to start programming C# applications. This latest edition uses the popular Visual Studio Code editor to work across all major operating systems. It is fully updated and expanded with new chapters on Content Management Systems (CMS) and machine learning with ML.NET. The book covers all the topics you need. Part 1 teaches the fundamentals of C#, including object-oriented programming, and new C# 8.0 features such as nullable reference types, simplified switch pattern matching, and default interface methods. Part 2 covers the .NET Standard APIs, such as managing and querying data, monitoring and improving performance, working with the filesystem, async streams, serialization, and encryption. Part 3 provides examples of cross-platform applications you can build and deploy, such as web apps using ASP.NET Core or mobile apps using Xamarin.Forms. The book introduces three technologies for building Windows desktop applications including Windows Forms, Windows Presentation Foundation (WPF), and Universal Windows Platform (UWP) apps, as well as web applications, web services, and mobile apps.
Table of Contents (21 chapters)

Using data binding

When building graphical user interfaces, you will often want to bind a property of one control to another, or to some data.

Binding to elements

The simplest type of binding is between elements.

  1. In MainPage.xaml, after the second horizontal stack panel and inside the outer vertical stack panel, add a text block for instructions, a slider for selecting a rotation, a grid containing stack panel and text blocks to show the selected rotation in degrees, a radial gauge from the UWP Community Toolkit, and a red square to rotate, as shown highlighted in the following markup:
          <kit:MarkdownTextBlock Margin="5"
            Text="{Binding ElementName=markdownSource, Path=Text}" 
            HorizontalAlignment="Stretch" />
        <TextBlock Grid.ColumnSpan="2" Margin="10">
          Use the slider to rotate the square: