public static Loader Initialize(ISldWorks solidWorks, IAssemblyDoc assembly)
        {
            if (Instance == null)
            {
                Instance = new Loader(solidWorks, assembly);
            }

            return Instance;
        }
        private bool Initalize()
        {
            helper      = Helper.Initialize(solidWorks.IGetMathUtility());
            corpus      = new Locator(solidWorks.IGetMathUtility());
            shaft       = new Locator(solidWorks.IGetMathUtility());
            planeLocator     = new Locator(solidWorks.IGetMathUtility());
            prismLocator1    = new Locator(solidWorks.IGetMathUtility());
            prismLocator2    = new Locator(solidWorks.IGetMathUtility());

            document = solidWorks.ActiveDoc as IModelDoc2;
            assembly = document as IAssemblyDoc;

            if (assembly == null)
            {
                ShowMessage("Please, open document with assembly");
                return false;
            }

            horizont = assembly.IFeatureByName(TOP_PLANE_NAME_EN);
            horizont = horizont == null ? assembly.IFeatureByName(TOP_PLANE_NAME_RU) : horizont;
            loader = Loader.Initialize(solidWorks, assembly);
            mounter = Mounter.Initialize(document);
            Debug.WriteLine("loading of assembly ... done!");

            object[] components = assembly.GetComponents(true);
            foreach(IComponent2 component in components)
            {
                if (component.Name2.Contains(configuration[Property.MAIN_DETAIL_NAME]))
                {
                    shaft.Component = component;
                    Debug.WriteLine("shaft search ... done!");
                    break;
                }
            }

            if (shaft.Component == null)
            {
                ShowMessage("Please, add shaft to assembly or enter other/correct name");
                return false;
            }

            return true;
        }