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2 wrz 2024 · Using Index: You can access individual key/value pair of the Dictionary by using its index value. Here, you just specify the key in the index to get the value from the given dictionary, no need to specify the index.
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:
The example uses the Item[] property (the indexer in C#) to retrieve values, demonstrating that a KeyNotFoundException is thrown when a requested key is not present, and showing that the value associated with a key can be replaced.
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.
Examples. The following code example uses the Item [] property (the indexer in C#) to retrieve values, demonstrating that a KeyNotFoundException is thrown when a requested key is not present, and showing that the value associated with a key can be replaced.
A Dictionary is a generic collection that consists of elements as key/value pairs. In this tutorial, you will learn about the C# Dictionary with the help of examples.
The Dictionary<TKey,TValue> class represents a collection of keys and values. It belongs to the System.Collections.Generic namespace. The TKey and TValue are the types of keys and values in the dictionary. Every key in a dictionary must be unique. Also, a key cannot be null if its type is a reference type.
