• 4/29/2024
• 6 minute read
• • C#
  • .NET
  • List
  • Exception

Everyone falls for that and tries to change a list while enumerating it greeted by the System.InvalidOperationException: Collection was modified; enumeration operation may not execute. message. But how does the List know that you changed it? Let's find out.

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• 12/15/2022
• 14 minute read
• • C#
  • Collection
  • .NET
  • List

.NET knows a big list of collection-like types like: IEnumerable, IQueryable, IList, ICollection, Array, ISet, ImmutableArray, ReadOnlyCollection, ReadOnlyList, and many more.

This blog post will give you an exhaustive list of types in .NET and when to use what.

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