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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);
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();
23 sie 2024 · Indexers are a syntactic convenience that enables you to create a class, struct, or interface that client applications can access as an array. The compiler generates an Item property (or an alternatively named property if IndexerNameAttribute is present), and the appropriate accessor methods.
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.
If you have a dictionary in C# and you want to convert its values into an array, you can use the Values property of the Dictionary<TKey, TValue> class and then use the ToArray method. Here's an example:
13 lip 2022 · Access Dictionary Elements Using Index. 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>.
7 gru 2014 · Iterating over a the keys of a hashtable is slower than that of an ArrayList (unless you're using something like the LinkedHashMap that Java provides). It is important to know your data and how it behaves and chose the appropriate collection for it - and if that doesn't exist, write it.
