Browse All .NET Content (297)

Rick Strahl walks through an edge-case but practical .NET Framework/WPF tool that packages a static documentation website into a single Windows EXE, then unpacks and renders it offline using WebView2. He covers the packaging approach, ILRepack-based single-file builds, embedding native dependencies, and the SmartScreen/code-signing trade-offs.

RohitMadhavKrishnan introduces ArchAngel, an educational AI coding assistant designed to bring a team’s engineering standards directly into the IDE, so junior developers get constructive feedback while they write code. The post outlines the core idea, a reference architecture, and the Microsoft-centric stack used to ground guidance in “golden repos.”

Bruno Capuano and Tommaso Stocchi walk through building distributed multi-agent applications using .NET Aspire and Microsoft Agent Framework (MAF), focusing on how multiple agents coordinate across services and exchange context. The session connects these patterns to Foundry-oriented scenarios and demonstrates them with a ski resort example.

Daniel Roth and guests walk through recent Razor editor and tooling improvements aimed at making ASP.NET Core development faster and more reliable, with demos showing how the updates reduce friction in day-to-day workflows.

Visual Studio Code highlights new Integrated Browser improvements in VS Code, including saving browser favorites, taking full-page or region screenshots, and using browser content as context for GitHub Copilot and agent workflows.

Leah Tran introduces Visual Studio 18.7’s pull request review experience, which lets developers open PRs, browse diffs, discuss comments, and approve or merge changes from inside the IDE for both GitHub and Azure DevOps repos.

BhaktiRath95 breaks down why Azure Container Apps can feel “slow to start” in production, separating true cold starts from scaling delays and resource throttling. It includes concrete fixes like minReplicas tuning, KEDA rule adjustments, probe configuration, image-size reduction, and practical .NET and Django startup optimizations backed by Log Analytics and Application Insights queries.

Authorised Territory demonstrates how to govern a .NET Model Context Protocol (MCP) server by writing a YAML policy that prevents a specific tool from being executed, using the Microsoft.AgentGovernance.Extensions.ModelContextProtocol NuGet package.

Microsoft Developer features a conversation and live demo with Vic (creator of Gum and FlatRedBall) showing how Gum helps build resolution-independent game UI for .NET games. The video covers the Gum editor workflow, key layout concepts like Wrap and Clip, and wiring Gum UI into a MonoGame project via a Cookie Clicker-style example.

Jeffrey Fritz announces the .NET Day on Agentic Modernization livestream (June 16, 2026), focused on practical ways to modernize existing .NET applications without a full rewrite. The agenda highlights GitHub Copilot-assisted modernization, Aspire-based approaches, migration of WinForms and line-of-business apps, and adding agentic/AI capabilities.

The Visual Studio Code Team shares what’s new in VS Code 1.125 (Insiders), focusing on Agent Host improvements like the new /chronicle command set for session history, clearer file path display in chat, and updates to Cache Explorer for navigating multi-agent sessions and prompt-signature allocation details.

David Williams-Young and Stefan Wernli walk through the March 2026 release highlights for the Microsoft Quantum Development Kit (QDK), covering new capabilities like improved program composability and expanded QDK Chemistry support for a broader family of model Hamiltonians.

BhaktiRath95 walks through common startup and deployment failures in Azure Container Apps and Container App Jobs for .NET and Django workloads, showing what the errors look like in logs, why they happen, and the concrete CLI, configuration, and code changes that fix them.

Jon Galloway recaps Microsoft Build 2026 with the main developer announcements across GitHub Copilot, Microsoft Foundry, Azure, Windows, Visual Studio, and .NET—highlighting agentic workflows, new tooling, governance specs, and a curated set of sessions and hubs to follow up on what shipped.

Daniel Roth rounds up the key .NET sessions from Microsoft Build 2026, highlighting what’s new in .NET 11 and C# (including union types), plus sessions on agentic web apps, AI building blocks for .NET, .NET MAUI on-device AI, and tooling like dotnetup.

Authorised Territory demonstrates how to build a .NET Model Context Protocol (MCP) server over HTTP that scans for unsafe tools on startup, using the Microsoft.AgentGovernance.Extensions.ModelContextProtocol NuGet package, and pairs it with a simple .NET console client that connects to the server.

Allison summarizes what’s new in CodeQL 2.25.6 for GitHub code scanning, including Swift 6.3.2 support, full extractor and data flow coverage for C# 14 and .NET 10, and query improvements that expand sensitive-data detection and reduce false positives across multiple languages.

Umang Sehgal and Lily Du show how to build agents that operate inside Microsoft Teams—participating in chats, channels, and meetings—so they can automate tasks, surface insights, and take action in context without forcing users to leave their workflow.

Nish Anil, Hazem El-Hammamy, and Jeff Fritz present a Microsoft Build 2026 session on using GitHub Copilot’s modernization capabilities and agentic AI to analyze large legacy codebases, map dependencies, plan upgrades, and refactor safely with governance controls, including examples spanning mainframe and .NET modernization.

Visual Studio Code hosts a Microsoft Build 2026 live stage session with demos and discussion spanning GitHub Copilot, the Copilot SDK, and VS Code workflows. It touches on agent integration, multi-model verification, security concerns in AI code review, and developer tooling updates shared by the teams building them.

Mark Russinovich and Scott Hanselman discuss how AI agents are changing day-to-day software engineering, focusing on where agentic workflows speed things up, where they break down, and what engineers can do to adapt without buying into hype.

Allison summarizes the May 2026 update for GitHub Copilot in Visual Studio 2026, covering new agent planning workflows, skill discovery, multi-file change review, context window tracking, and tighter Git integration for bringing commits into Copilot Chat and centralizing commit message instructions.

kinfey explains how to run LLM agents that write and execute code without giving them a host-sized blast radius, using a MicroVM sandbox. The post walks through a real pipeline (a daily Mandarin World Cup podcast) built with Microsoft Agent Framework, Azure AI Foundry, and Hyperlight snapshot/restore isolation.

Microsoft Developer presents an in-depth Build 2026 session on .NET 11 improvements across the runtime, libraries, and SDK, with a focus on performance, diagnostics, and developer productivity. It also highlights work that supports intelligent, cloud-connected, and agent-driven apps, plus concrete library updates like Unicode and JSON enhancements.

Jared Rhodes demonstrates a practical .NET pattern for building apps that connect to real hardware, including device discovery over BLE and data exchange over NFC, serial, and USB. The session focuses on structuring device services, handling cross-platform differences, and choosing local connectivity when cloud APIs aren’t the right fit.

James Montemagno demonstrates how the VS Code Agents window (Preview) uses Dev Tunnels to remotely access your local developer tools, SDKs, and workspaces from vscode.dev, including using the /remote command and running a quick end-to-end demo.

Dom Robinson, samkemp, and Inbal Sagiv announce Foundry Local 1.2.0 and preview Foundry Local on Azure Local, focusing on running AI on-device and at the edge with better transcription, broader hardware support, improved cancellation, and simpler acceleration across Windows and Linux.

Shawn Henry, Amanda Foster, and Glenn Condron go deep on building and operating multi-agent systems on Microsoft Foundry, focusing on “agent harness” patterns (including Claw) and hosted agents architecture. They cover long-running agents with triggers, state and file access, plus how Copilot SDK and Claude Agent SDK fit into coordinated workflows.

Mads Kristensen and Nik Karpinsky demo GitHub Copilot in Visual Studio, focusing on agent-style workflows that go beyond code generation: diagnosing bugs from runtime behavior, profiling performance to find bottlenecks, recommending targeted fixes, and building tests to prevent regressions for enterprise C#, .NET, and C++ codebases.

Nik Karpinsky demonstrates how to diagnose and fix modern performance issues using Visual Studio’s profiling and diagnostics tools, with GitHub Copilot and AI-powered agents helping generate, refine, and explain benchmark and profiling results for faster root-cause analysis.

Anastasiya Tarnouskaya, Aditi Narvekar, and Jordi Janer explain how to build AI-powered Windows apps that run models locally, including using Foundry Local and Windows ML to execute workloads across CPU, GPU, and NPU, plus new tooling like the Windows MLCLI preview and WebNN support for web apps.

Vini Soto and Jan Kalis demonstrate an “agentic content factory” built from multiple agent frameworks, deployed to Azure Container Apps, and wired up with Azure AI Foundry for observability and evaluations, with a focus on secure sandbox execution and controlling outbound access.

DevClass reports on .NET Aspire 13.4, highlighting the general availability of the TypeScript AppHost and new integrations that broaden Aspire beyond C#-only workflows. The piece also covers deployment targets (including Azure and Kubernetes), the Aspire dashboard’s OpenTelemetry-based observability, and notable Kubernetes-related improvements.

Fokko at Work demos selected updates in Visual Studio Code 1.123 with a focus on GitHub Copilot-related changes, including session sync/Chronicle and the Agents window, plus improvements to the built-in browser and screenshot workflow.

Authorised Territory demonstrates a .NET tutorial that builds an AG-UI protocol server and a Blazor client, hosting an AI agent locally with Ollama. The client sends prompts to the server and receives the model output as a streamed response.

Visual Studio Code hosts a live Microsoft Build session with the GitHub Copilot team, covering agentic development across the Copilot ecosystem. The agenda includes Copilot CLI, building with the GitHub Copilot SDK, and a segment on .NET Aspire alongside Copilot and related tooling.

Microsoft Developer shares a short announcement that Microsoft Build 2026 Day 2 is streaming live, highlighting GitHub, VS Code announcements and demos, GitHub Copilot deep dives, and live coding sessions with Microsoft and GitHub engineers.

Shawn Henry rounds up the BUILD 2026 announcements for Microsoft Agent Framework, covering the new Agent Harness for production-grade agent execution, Foundry Hosted Agents for deploying and operating agents at scale, and CodeAct (Hyperlight) to reduce tool-calling latency and token usage, with examples in .NET and Python.

GitHub hosts a live coding stream from Microsoft Build focused on agentic development with GitHub Copilot, including sessions on Copilot CLI, the Copilot SDK, and Copilot workflows across VS Code and Visual Studio, plus a segment covering .NET Aspire alongside Copilot.

Daniel Roth presents a Microsoft Build 2026 session on what “agentic web apps” look like in .NET 11, focusing on performance and security improvements plus new Blazor and Aspire building blocks for modern web application development.