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string[] keys = dictionary.Keys.ToArray(); Otherwise, you will have to use the CopyTo method, or use a loop : string[] keys = new string[dictionary.Keys.Count]; dictionary.Keys.CopyTo(keys, 0);
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:
These days, once you have LINQ available, you can convert the dictionary keys and their values to a single string. You can use the following code: // convert the dictionary to an array of strings. string[] strArray = dict.Select(x => ("Key: " + x.Key + ", Value: " + x.Value)).ToArray();
13 lip 2022 · When we want to access an element using the index, we are going to use the ElementAt method: var element = capitals.ElementAt(2); The ElementAt method provides us array-like access capability to key-value pairs of Dictionary<string, string>. As with C# arrays, the index of the first element is 0.
7 kwi 2022 · This post will discuss how to convert Dictionary values to an Array in C#... The idea is to allocate an array to accommodate all the values of the dictionary, and then use the CopyTo() method to copy values from the dictionary to the array.
Indexer Speed Test Code. void TestMethod(Dictionary<string, DateTime> dictionary) { foreach (string key in keysList) { DateTime dateTime = dictionary[key].AddHours(1);//Get data through the Indexer double ticks = dateTime.Ticks; } }
26 sty 2023 · C# Dictionary: Get value by key. To retrieve a value from a dictionary in C#, you can use the TryGetValue method or the indexer. TryGetValue. The TryGetValue method is a safe way to get a value from a dictionary without having to handle exceptions. It returns a bool value to let us know if the key was found. For example, we can use TryGetValue ...
