

Fons Sonnemans
Trainer, Consultant & App Developer
Trainer, Consultant & App Developer
Asten, The Netherlands
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With 10 years of recognition as a Microsoft MVP in Windows Development and 1 year in .NET, I am an established expert in the tech community. I am also the creator of several successful Windows apps proudly featured in the Microsoft Store. As a trainer and consultant, I deliver engaging and practical sessions on C#, .NET, app development and performance, sharing my in-depth knowledge and experience to inspire and empower others. My talks focus on delivering valuable insights, innovative solutions, and best practices, always tailored to meet the needs of the audience.
Met 10 jaar erkenning als Microsoft MVP in Windows Development en 1 jaar in .NET, ben ik een gevestigde expert in de tech-community. Daarnaast ben ik de ontwikkelaar van diverse succesvolle Windows-apps die schitteren in de Microsoft Store. Als trainer en consultant geef ik boeiende en praktische sessies over C#, .NET, App development en performance, waarbij ik mijn diepgaande kennis en ervaring deel om anderen te helpen groeien en inspireren. Mijn talks focussen op het overbrengen van waardevolle inzichten, innovatieve oplossingen en best practices, en worden altijd aangepast aan de behoeften van de deelnemers.
Area of Expertise
Writing high performance C# code en
Small code is fast code and fast code is good code. With .NET development is easy, but with the garbage collector as a black box, great performance can be hard to achieve – unless you know what you’re doing. Get the expert tips and tricks that allow you to extract the maximum amount of performance from your applications.
This session is a few slides and a lot of live coding using the newest C# features.
Designing UWP apps with Blend en
In deze sessie leer je door middel van vele demo’s hoe je Universal Windows 10 apps ontwikkelt met behulp van Blend for Visual Studio. Je leert de Layout van een app op te zetten met de verschillende Panel controls. Met Animaties laten we de applicatie tot leven komen. Met Styling en Templating maken we je app nog mooier. Met binding en sample data ontwikkelen we snel een prototype van een echte app.
What's new in C# 14 and .NET 10 en
Join me for an exciting session where we dive into the latest improvements in C# 14 and .NET 10! We will cover the most important features and changes that are set to enhance your .NET development experience even more.
This session will give both experienced developers and developers just starting out valuable insights into leveraging the new features to make your application (even) more efficient and powerful.
Can be presented after the Summer of 2025.
What's new in C# 13 and .NET 9 en
Join me for an exciting session where we dive into the latest improvements in C# 13 and .NET 9! We will cover the most important features and changes that are set to enhance your .NET development experience even more.
This session will give both experienced developers and developers just starting out valuable insights into leveraging the new features to make your application (even) more efficient and powerful.
Mastering Memory: Unlocking Performance with Span⟨T⟩ in C# en
Memory allocation can significantly impact application performance. In this session, we'll dive into how Span⟨T⟩ and ReadOnly⟨T⟩ can help you reduce unnecessary allocations and write more efficient code. We'll explore the inner workings of these powerful types and demonstrate practical techniques for incorporating them correctly into your C# projects.
Whether you're a seasoned developer or just starting your journey with performance optimization, this session is a must-attend for anyone looking to elevate their coding skills.
Developing WinUI3 applications en
Dive into the world of Windows app development with WinUI3—the latest evolution of Microsoft's modern UI framework. In this session, we’ll explore the fundamentals of building sleek, responsive, and feature-rich applications using WinUI3. You'll gain insight into the architecture, tools, and best practices for crafting apps that seamlessly integrate with Windows ecosystems while elevating the user experience. Whether you’re new to WinUI or seeking advanced tips to refine your skills, this session is designed to help developers unlock the full potential of this cutting-edge platform.
Coding and Robots for Kids en
De kinderen zijn onze toekomst! In plaats van ze spelletjes te laten spelen kunnen we ze ook leren programmeren. In deze sessie krijg je de verschillende programmeeromgevingen en robots gedemonstreerd die er zijn om kinderen te leren programmeren.
Become a C# Performance Ninja en nl
Do you want to elevate your C# skills and become a true performance ninja? In this session, we dive deep into the world of C# and uncover powerful features that can help you enhance your application’s performance. We’ll start by exploring various C# techniques and optimizations to make your code faster and more efficient. Additionally, I’ll demonstrate how to use Visual Studio Profilers to identify and resolve performance bottlenecks.
Whether you’re an experienced developer or just starting out, this session offers valuable insights and practical tips to optimize your C# projects. Don’t miss this chance to refine your skills and become a true C# Performance Ninja!
90 minutes preferred session duration, 45 is possible
Become a C# Performance Ninja en nl
Wil je je C#-vaardigheden naar een hoger niveau tillen en een echte performance ninja worden? In deze sessie duiken we diep in de wereld van C# en ontdekken we krachtige features die je helpen om de prestaties van je applicaties te verbeteren.
We beginnen met een verkenning van diverse C#-technieken en -optimalisaties die je code sneller en efficiënter maken. Bovendien demonstreer ik hoe je Visual Studio Profilers kunt gebruiken om performance bottlenecks op te sporen en te verhelpen.
Of je nu een doorgewinterde ontwikkelaar bent of net begint, deze sessie biedt waardevolle inzichten en praktische tips om je C#-projecten te optimaliseren. Mis deze kans niet om je vaardigheden te verfijnen en een echte C# Performance Ninja te worden!

Fons Sonnemans
Trainer, Consultant & App Developer
Asten, The Netherlands
Actions
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