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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.
If you need to extract an element key based on an index, this function can be used: public string getCard (int random) { return Karta._dict.ElementAt (random).Key; } If you need to extract the Key where the element value is equal to the integer generated randomly, you can use the following function:
13 lip 2022 · In this article, we’re going to explore accessing Dictionary items by index in C# and its performance considerations. The Dictionary<TKey,TValue> generic class provides the ability to map keys to values.
Searches for an element that matches the conditions defined by a specified predicate, and returns the zero-based index of the first occurrence within the List<T> or a portion of it. This method returns -1 if an item that matches the conditions is not found.
30 wrz 2023 · Learn the 2 ways to get a list item by index in C#: using an indexer or a Linq ElementAt() call.
This is useful to know as there are times when we only want to access certain elements such as the last or first element so we don't want to loop through the entire list. C# provides two solid ways to access the data by the index. The indexer and the ElementAt function.
int myIndex = 3; Console::WriteLine( "The key at index {0} is {1}.", myIndex, mySL->GetKey( myIndex ) ); Console::WriteLine( "The value at index {0} is {1}.", myIndex, mySL->GetByIndex( myIndex ) ); // Gets the list of keys and the list of values.
