public void RegisterShapeTypeRenderer(IShapeRenderer renderer)
{
ShapeTypesInfoMap[renderer.RenderingShapeTypeName()].Renderers.Add(renderer.Name(), renderer);
if (null == ShapeTypesInfoMap[renderer.RenderingShapeTypeName()].Renderer)
{
ShapeTypesInfoMap[renderer.RenderingShapeTypeName()].Renderer = renderer;
}
}