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<C# Snippet Tutorial - Dictionary Collections ⁄ >




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So, we have all used arrays, and even sometimes a nice HashTable to get things sorted and organized. There are so many uses for an array, and even more for a nice HashTable. But, have you ever noticed that a HashTable is all objects? The Key in each Key/Value Pair is an Object, along with the value itself. But what happens if you don't need something so generic as an object? Well, you can get really specific and really crazy with a collection called Dictionary.

A dictionary is actually just another collection of Key/Value pairs, just like a HashTable, except that you declare a type for the Key and Value. These are any type you want. The Key or Value can be a primitive, array, enum, or even a struture. This can open the door for some pretty crazy code. An example of a useful and simple Dictionary would be something like



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