======Метод StandardLibrary<SleeperType>.IndexOf(SleeperType)======
  * **Пространство имен:** [[developers:references:topomatic.alg.runtime.standards|Topomatic.Alg.Runtime.Standards]]
  * **Сборка:** Topomatic.Alg.Runtime (в Topomatic.Alg.Runtime.dll)
=====Синтаксис=====
<code csharp>public override int IndexOf(SleeperType item)</code>
**Параметры**
  * //item//
    * Тип: [[developers:references:topomatic.alg.rail.librarytypes.sleepertype|Topomatic.Alg.Rail.LibraryTypes.SleeperType]]

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