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Diagram contrasting explicit Dispose calls with garbage collector finalization timing in C#.

C# Dispose vs Destructor: Key Differences Explained

Illustration of C# variable declaration showing type, name, and value assignment in a code editor.

C# Variable Declaration: Syntax and Practical Usage

Diagram illustrating C# primary constructor class syntax with parameters and class body.

C# Primary Constructors for Classes: Syntax and Usage

Illustration of sorting elements using a custom IComparer in C#

C# IComparer: Custom Sorting with IComparer<T>

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Latest C# Posts

Illustration of C# Activator.CreateInstance creating an object at runtime from a type reference.

C# Activator.CreateInstance: Runtime Object Creation

Learn how to use C# Activator.CreateInstance to create objects at runtime, pass constructor arguments, handle exceptions, and evaluate performance tradeoffs.

C#ReflectionRuntime Type CreationActivator

Diagram showing a C# type being inspected at runtime with PropertyInfo metadata extracted from its properties.

C# Reflection: Get Properties at Runtime

Use Type.GetProperties() to inspect and manipulate C# properties at runtime: retrieve PropertyInfo metadata, filter with BindingFlags, read and write values, and avoid common reflection pitfalls.

ReflectionPropertyInfoBindingFlagsType Metadata

Illustration of C# AttributeUsage controlling where custom attributes can be applied, with targets like classes and methods shown as bounded regions.

C# AttributeUsage: Controlling Custom Attribute Application

Learn how to use AttributeUsage in C# to define valid targets, allow multiple instances, and control inheritance for custom attributes.

C# AttributesAttributeUsageCustom AttributesReflection

Diagram showing a C# method with params keyword accepting multiple arguments into an array or collection icon.

C# Params Collection: Syntax, Behavior, and Pitfalls

Learn how C# params handles variable arguments with arrays and the C# 13 params collections feature, including syntax, performance tradeoffs, and common mistakes.

C# paramsvariable argumentsIEnumerablearrays

Editorial diagram of collection elements spreading into a combined C# collection expression

C# Collection Expression Spread Element: Syntax and Behavior

Use the `..` spread element in C# collection expressions to copy elements from an existing collection into arrays, lists, spans, and immutable arrays. Includes syntax, runtime behavior, allocation tradeoffs, and edge cases.

C# 12collection expressionsspread elementarrays

Diagram showing a Span<T> referencing a segment of an array, with arrows indicating zero-copy slicing.

C# Span Usage: Process Memory Slices Without Allocations

c# span usage: Learn how to use Span<T> in C# to slice arrays and strings, avoid allocations, and process memory efficiently in high-performance code.

Span<T>Memory<T>ref structperformance

A diagram showing IComparable and IComparer interfaces and their roles in sorting objects in C#.

C# IComparable vs IComparer: When to Use Each

Understand the difference between IComparable and IComparer in C#, see how to implement both interfaces, and learn when each one fits sorting and comparison logic.

IComparableIComparerSortingC# Interfaces

Illustration of two C# objects being compared with an ordering arrow, representing the IComparable comparison contract

Implementing IComparable in C# for Reliable Sorting

c# icomparable: Learn how to implement IComparable<T> in C# for custom sorting, including CompareTo semantics, null handling, and consistency with Equals.

C#IComparableCompareToSorting

A C# code snippet showing a class implementing IComparable<T> with a sorting arrow icon in the background.

C# Comparable: Implementing IComparable for Sorting

Learn how to implement IComparable<T> in C# to sort custom objects with List.Sort and Array.Sort, including null handling and common edge cases.

IComparableC# SortingCompareToIComparer

Illustration comparing two C# objects with value equality versus reference equality, showing records and classes.

C# Record Equality vs Class Equality Explained

C# records and classes differ in equality behavior. Learn how value semantics work, when reference equality still matters, and how to customize record equality.

C#RecordsEqualityIEquatable