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3 paź 2014 · You can use the ElementAt extension method on the list. For example: // Get the first item from the list using System.Linq; var myList = new List<string> { "Yes", "No", "Maybe"}; var firstItem = myList.ElementAt (0); // Do something with firstItem. edited May 20, 2018 at 1:23.
18 mar 2010 · public static int FindIndex<T>(this IEnumerable<T> items, Predicate<T> predicate) { int index = 0; foreach (var item in items) { if (predicate(item)) break; index++; } return index; } Note that it will return the number of items instead of -1 when there is no match.
14 lis 2023 · Indexes and ranges provide clear, concise syntax to access a single element or a range of elements in a sequence. An index expression typically returns the type of the elements of a sequence. A range expression typically returns the same sequence type as the source sequence.
Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the first occurrence within the range of elements in the List<T> that starts at the specified index and contains the specified number of elements.
Searches for the specified object and returns the zero-based index of the first occurrence within the range of elements in the List<T> that starts at the specified index and contains the specified number of elements.
24 sty 2024 · C# 8 brought System.Range and System.Index structs to support new syntax for accessing a single element or a range of elements in a sequence.
2 lip 2022 · In this article, we are going to learn more about ranges and indices in C#, and how to use them to access a single or a range of elements in a sequence. We’ll also see how ranges and indices help us write cleaner and more readable code.
