.NET Conf 2020 - Hot Topics Desktop Development
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The document summarizes updates to .NET technologies. Key points include: - .NET 5 will unite .NET Core and .NET Framework, with all new features going exclusively to .NET 5. The Framework will remain at version 4.8. - Benefits of .NET 5 include smaller app sizes, performance improvements, and better project files. - New features are coming to Windows Forms, WPF, C#, XAML tooling including hot reload and design time data. - ClickOnce deployment is now supported for .NET Core and .NET 5 apps. WinUI 3 provides a modern XAML framework decoupled from Windows 10.
.NET Conf 2020 - Hot Topics Desktop Development
- 1. xedotnet.org .NET Conf 2020 Hot Topics Desktop Mirco Vanini @MircoVanini
- 2. .NET – Today (a week ago !)
- 3. Big Picture Highly-compatible, targeted improvements, like last few releases • .NET Framework support unchanged (supported for life of Windows) • Side-by-side support • Self-contained EXEs UWP Windows-only DATAWEB ASP.NET Core EF 6 EF Core AI/ML ML.NET WPF .NET Core 3.NET Framework 4.8 .NET STANDARD Existing App Highly compatible updates Install .NET Core updates per your needs Modernize Desktop Apps with .NET Core 3 Windows-only Cross-platform Windows Forms Update .NET Framework Apps • XAML Islands - WinForms & WPF apps can host UWP controls • Full access to Windows 10 APIs FEATURES IN BOTH FXs
- 4. .NET – Today (Now) – A Unified platform
- 5. • .NET 5 will be the future of .NET • all new improvements, .NET APIs, runtime capabilities, and language features will go exclusively to .NET 5 • .NET Framework will remain where it is at the highest version of 4.8 and receive only Windows essential (Windows and security) updates • Allows “side-by-side” deployment of multiple versions of .NET 5 on the same compute • Smaller applications sizes with Assembly Trimming feature • Single-file executables • Significant BCL performance improvements • More choice on runtime experiences • Better project files (SDK-style .csproj) • New features in Windows Forms, WPF, C#, etc. • Stable release schedule Benefits of .NET 5
- 6. • Windows Form | aka WinForms • Windows Presentation Fondation | aka WPF • Universal Windows Platform | aka UWP • Windows UI | aka WinUI Desktop Technologies
- 7. • .NET Core: change the target FW* ! • .NET FW: Try Convert is a global tool that attempts to upgrade your project file from the old style to the new SDK style and retargets applicable projects to .NET 5. * https://docs.microsoft.com/en-us/dotnet/core/compatibility/3.0-3.1-windows-forms https://docs.microsoft.com/en-us/dotnet/core/compatibility/3.1-5.0#windows-forms Porting from .NET Core / Framework
- 8. • Improvement to in-app toolbar • Inline color previews • Design Time Data https://docs.microsoft.com/visualstudio/xaml-tools/xaml-designtime-data • Refresh designer button • Suggested Actions • Hot Reload • XAML Binding Failures • New Designer for .NET FW apps New features in XAML Tooling
- 9. • VS 2019 16.7 • XAML Designer: Design-Time data using «d:» • VS 2019 16.8 • XAML Data Binding Diagnostic Experiences • XAML Hot Reload – WPF & UWP Improvements • VS 2019 16.9 • XAML Hot Reload – Xamarin.Forms & WinUI 3.0 New features in XAML Tooling
- 10. • Task Dialog • Updates to ListViewGroup, FileDialog, TrackBar, etc. • Over 150 PRs from OSS community • Memory and performance optimizations, accesibility improvmnets, etc. • Designer • Support for most controls • Support for third-party control vendors • Data scenario are coming WinForms – New Features
- 11. • ClickOnce is back for .NET Core & .NET 5 developer starting with VS 2019 16.8 and Mage CLI tool • Publish from VS 2019 version 1.8 or use the newly open-source «dotnet-mag» CLI tool • Supports .NET Core 3.1 and .NET 5 project for WPF, Windows Forms and Console apps • New Launcher, a manage entry-point for ClickOnce ClickOnce in .NET 5
- 12. • .NET 5 includes support for WinUI 3 - the evolution of UWP's XAML technology. • It includes the entire presentation layer (XAML, composition, and input) decoupled from the Windows 10 OS, an extensive controls library (including WebView2), and allows you to use the desktop application model in addition to the UWP app model. • WinUI 3 is still in development, but you can use the Preview version that's already available. Visit https://aka.ms/winui3 New .NET desktop: WinUI 3
- 13. Q&A .NET your platform for building anything
- 14. Who I am www.proxsoft.it mirco.vanini@proxsoft.it @MircoVanini Mirco Vanini Microsoft® MVP Windows Development Open Connectivity Foundation - OCF® Ambassador