C# Advanced Archives - An Inquisitive Dev

How to copy a file and report progress in C# using P/Invoke

Apr 28, 2026

•

10 minutes

One of the main missing APIs in the .NET Base Class Library is the ability to report progress while copying a large file. We do have the File.Copy and FileInfo.CopyTo methods but there’s no way to report how much data has been copied. Even worse, these methods are not asynchronous, meaning that the calling thread…

🌴How to Convert Any Object to a Dictionary Using Expression Trees in C#

Apr 5, 2026

•

14 minutes

In the previous article we explained Expression Trees, what they are and how to use them. In this article we will utilize them to solve a real-world problem that usually comes up in applications where object inspection is required. 🤔The problem There are occasions in your applications where you wish you could treat an object…

🌳 C# Expression Trees: Intro, Construct, Execute, Analyze

Dec 31, 2025

•

8 minutes

Learn how to construct, execute, and analyse Expression Trees. This guide provides a complete introduction and key takeaways for developers.

❓Stop Asking ‘Is C# Compiled or Interpreted?’ — Here’s Why

Oct 12, 2025

•

3 minutes

Is C# compiled or interpreted? This is a question that comes up very often in interviews involving C# and .NET. And in my opinion, it is the wrong question. An interviewer is asking a potential candidate this question in order to trick them into giving the wrong answer. Let me explain. The Problem Because, if…

Category: C# Advanced

How to copy a file and report progress in C# using P/Invoke

🌴How to Convert Any Object to a Dictionary Using Expression Trees in C#

🌳 C# Expression Trees: Intro, Construct, Execute, Analyze

❓Stop Asking ‘Is C# Compiled or Interpreted?’ — Here’s Why