======Метод PlanLine.VertexChangeValid(Int32, Vertex)======
  * **Пространство имен:** [[developers:references:topomatic.alg.plan|Topomatic.Alg.Plan]]
  * **Сборка:** Topomatic.Alg (в Topomatic.Alg.dll)
=====Синтаксис=====
<code csharp>public VertexValidation VertexChangeValid(int index, Vertex vertex)</code>
**Параметры**
  * //index//
    * Тип: System.Int32

  * //vertex//
    * Тип: [[developers:references:topomatic.alg.plan.vertex|Topomatic.Alg.Plan.Vertex]]

**Возвращаемое значение**
  * Тип: [[developers:references:topomatic.alg.plan.vertexvalidation|Topomatic.Alg.Plan.VertexValidation]]