public override bool Run(FeatureContext context)
        {
            OpenFileDialog dlg = new OpenFileDialog();

            dlg.Filter = "Step File (*.stp;*.step)|*.stp;*.step||";
            if (DialogResult.OK != dlg.ShowDialog())
            {
                return(true);
            }

            ShowShapeReaderContext renderContext = new ShowShapeReaderContext(context.RenderView.SceneManager);
            StepReader             reader        = new StepReader();

            reader.Read(dlg.FileName, renderContext);

            return(true);
        }