Mastering Multithreading In C# And .Net

Learn threads, tasks, async/await, synchronization, and debugging of multithreaded applications in .NET

What you'll learn

Understand and implement multithreading using Thread, ThreadPool, and Task in C#.

Apply async and await patterns to build responsive applications.

Use synchronization primitives like lock, Monitor, Semaphore, and Mutex to write thread-safe code.

Optimize performance using Task Parallel Library (TPL), Parallel.For, and PLINQ for parallel processing.

Debug common threading issues and avoid deadlocks, race conditions, and thread starvation.

Architect responsive UI applications with background threading techniques in WinForms/WPF.

Requirements

Basic understanding of C# syntax and object-oriented programming concepts.

Visual Studio (any recent version) installed on your machine.

No prior threading experience needed — everything is explained from scratch.

Description

Are you a developer who wants to write faster, more responsive, and high-performing .NET applications? Welcome to Mastering Multithreading in C# and .NET — your complete guide to conquering concurrency.In this course, you'll explore:The difference between Threads, ThreadPool, Tasks, and async/awaitThread safety, race conditions, locks, and synchronization primitivesAdvanced concepts like deadlocks, starvation, and thread leaksReal-world debugging techniques using tools like Parallel Watch and Tasks WindowBackground operations in WPF and WinForms using BackgroundWorker, Timers, and SynchronizationContextEach concept is explained with clear examples, live coding, and analogies so even beginners can grasp complex ideas. You’ll also find quizzes and hands-on exercises to reinforce learning and help you apply multithreading best practices in real projects. You’ll understand not just the how, but the why behind each concept, making your knowledge truly industry-ready.By the end of the course, you’ll be able to write code that’s scalable, robust, and optimized for responsiveness. Whether you're developing desktop applications, backend services, or cloud-hosted systems, this course will give you the confidence to harness the full power of multithreading.Join now and unlock the full potential of the .NET runtime through multithreading mastery — and stand out as a high-performance .NET developer!

Overview

Section 1: Introduction

Lecture 1 Introduction

Lecture 2 Course Setup

Section 2: High level overview of Thread, ThreadPool, Task and async/await

Lecture 3 Thread

Lecture 4 Thread Pool

Lecture 5 Task

Lecture 6 async await

Lecture 7 When to use what?

Section 3: Fundamentals of Threads in .NET

Lecture 8 The Thread class and ThreadStart delegate

Lecture 9 Thread life cycle

Lecture 10 Foreground vs. Background threads

Lecture 11 ParameterizedThreadStart

Section 4: Thread Safety and Synchronization

Lecture 12 Race conditions and data corruption

Lecture 13 Lock

Lecture 14 Monitor

Lecture 15 Mutex

Lecture 16 SpinLock

Lecture 17 Atomic operations with Interlocked

Lecture 18 Synchronization primitives: AutoResetEvent, ManualResetEvent, Semaphore, Count

Lecture 19 AutoResetEvent

Lecture 20 ManualResetEvent

Lecture 21 Semaphore

Lecture 22 CountdownEvent

Section 5: Advanced Threading Concepts

Lecture 23 Timers and background operations

Lecture 24 SynchronizationContext explained

Lecture 25 Thread-local storage (ThreadLocal)

Section 6: Parallel Programming with TPL

Lecture 26 Introduction to Task Parallel Library

Lecture 27 Task continuations

Lecture 28 Parallel.For, Parallel.ForEach, and PLINQ

Section 7: async / await Deep Dive

Lecture 29 Async/Await as a State Machine

Lecture 30 Async/Await as a State Machine In Action

Section 8: Real-World Patterns & Best Practices

Lecture 31 Producer-consumer with BlockingCollection

Lecture 32 Using ConcurrentDictionary, ConcurrentQueue

Lecture 33 CancellationToken and cooperative cancellation

Lecture 34 Creating responsive UIs (WPF, WinForms)

Lecture 35 Debugging and profiling multithreaded apps

Section 9: Common Pitfalls and How to Avoid Them

Lecture 36 Deadlocks, race conditions, starvation

Lecture 37 Thread leaks

Lecture 38 Misusing async/await

This course is for C# and .NET developers who want to master multithreading, async programming, and parallel processing to build responsive, high-performance applications. Ideal for developers building desktop, web, or backend services and those preparing for technical interviews involving concurrency concepts.