======Метод IArraySortHelper<TKey>.BinarySearch(TKey[], Int32, Int32, TKey, IComparer<TKey>)======
  * **Пространство имен:** [[developers:references:system.collections.generic|System.Collections.Generic]]
  * **Сборка:** mscorlib (в mscorlib.dll)
=====Синтаксис=====
<code csharp>public virtual int BinarySearch(TKey[] keys, int index, int length, TKey value, IComparer<TKey> comparer)</code>
**Параметры**
  * //keys//
    * Тип: [[developers:references:system.collections.generic.tkey|System.Collections.Generic.TKey]][]

  * //index//
    * Тип: [[developers:references:system.int32|System.Int32]]

  * //length//
    * Тип: [[developers:references:system.int32|System.Int32]]

  * //value//
    * Тип: TKey

  * //comparer//
    * Тип: [[developers:references:system.collections.generic.icomparer_1|System.Collections.Generic.IComparer]]<TKey>

**Возвращаемое значение**
  * Тип: [[developers:references:system.int32|System.Int32]]