======Конструктор KeyCollection<TKey, TValue>(Dictionary<TKey, TValue>)======
  * **Пространство имен:** [[developers:references:system.collections.generic|System.Collections.Generic]]
  * **Сборка:** mscorlib (в mscorlib.dll)
=====Синтаксис=====
<code csharp>public  KeyCollection<TKey, TValue>(Dictionary<TKey, TValue> dictionary)</code>
**Параметры**
  * //dictionary//
    * Тип: [[developers:references:system.collections.generic.dictionary_2|System.Collections.Generic.Dictionary]]<TKey, TValue>