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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:
27 gru 2010 · IndexOf(someValue) searches your new List looking for the someValue object in question and returns the Index which would match the index of the Key/Value pair in the dictionary. This method does not care about the dictionary keys, it simply returns the index of the value that you are looking for.
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.
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.
The Dictionary<TKey,TValue> generic class provides a mapping from a set of keys to a set of values. Each addition to the dictionary consists of a value and its associated key. Retrieving a value by using its key is very fast, close to O (1), because the Dictionary<TKey,TValue> class is implemented as a hash table.
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.
Access Dictionary Elements. The Dictionary can be accessed using indexer. Specify a key to get the associated value. You can also use the ElementAt() method to get a KeyValuePair from the specified index.
