C# list index

// 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

Source: stackoverflow.com

Get both item and index in c#

// add this to your namespace
public static IEnumerable<(T item, int index)> WithIndex<T>(this IEnumerable<T> source)
{
    return source.Select((item, index) => (item, index));
}

//do something like this

foreach (var (item, index) in collection.WithIndex())
{
    DoSomething(item, index);
}

Source: thomaslevesque.com

C# list any retun indec

public class Item {
	public int Id { get; set; }
	public Item() {}
	public Item(int id) { Id = id; }
}
List<Item> idList = { new Item(1), new Item(2), new Item(3) };
Item[] idLArr = [ new Item(1), new Item(2), new Item(3) ];

Item newItem = new Item(1);

// Using a lambda expression we can do the following query
int index = idList.FindIndex(item => item.Id == newItem.Id);
int arrIndex = Array.IndexOf(idLArr, newItem.Id);

//Then use it like so:
if (index != -1)
{
	// The item exists at index 0!
}

Index list c#

list1[0];

Source: stackoverflow.com

Similar codes

0 vote101 views1 answer
C# multiple button click event to textbox
C#
0 vote105 views1 answer
Order by length descending C#
C#
0 vote93 views1 answer
Lcm of list of number
C#
0 vote94 views1 answer
How unsort the data table options
C#
9 votes126 views3 answers
Unity get rigidbody
C#Unity
0 vote88 views1 answer
C# wtssendmessage
C#
2 votes96 views2 answers
C# csv read write
C#
1 vote99 views2 answers
Delegate unity
C#
0 vote113 views2 answers
C# copy directory
C#
2 votes118 views1 answer
Unity c# throw exception
C#Unity