Tag: csharp

A beginner's guide to getting started with C# programming, from setting up Visual Studio to writing your first program and finding learning resources.

Fix C# 12 language version errors by updating your target framework to .NET 8 or setting LangVersion in your .csproj file.

An overview of new features in C# 12, including primary constructors, default lambda parameters, collection expressions, inline arrays, and more.

C# 12 lets you specify default parameter values and params arrays in lambda expressions, just like in methods and local functions.

Learn how to define and use generic attributes in C# 11, including restrictions on type arguments and common error messages.

Learn how the C# 11 file access modifier restricts a type's scope to the file in which it is declared, helping avoid name collisions with source generators.

Learn how to use interpolated raw string literals in C# 11, including escaping braces, multiple $ characters, and conditional operators.

Learn how to use C# 11 raw string literals to include whitespace, new lines, and embedded quotes without escape sequences.

Fix the 'Feature is not available in C# 10.0' error by switching to C# 11 via target framework or LangVersion in your .csproj file.

Use ArgumentNullException.ThrowIfNull in .NET 6+ for concise null checks, or use throw expressions in C# 7+ for older frameworks.