======Метод TransactableDictionary<TKey, TValue>.Add(KeyValuePair<TKey, TValue>)======
  * **Пространство имен:** [[developers:references:topomatic.foundationclasses.undo|Topomatic.FoundationClasses.Undo]]
  * **Сборка:** Topomatic.FoundationClasses (в Topomatic.FoundationClasses.dll)
=====Синтаксис=====
<code csharp>public virtual void Add(KeyValuePair<TKey, TValue> item)</code>
**Параметры**
  * //item//
    * Тип: System.Collections.Generic.KeyValuePair<TKey, TValue>