WinFrmUI/DPumpHydr.WinFrmUI.Volute/MainViewPage_StepInfo.cs
@@ -257,6 +257,8 @@ if (step_id > this._stepTreeDockPanel.Step_ID_Section18_Grp && step_id <= this._stepTreeDockPanel.Step_ID_Section18_Grp + 8) { if (_sectionBundleInfo == null) return; if (_ctrlSectionShapeInfo18 == null) { _ctrlSectionShapeInfo18 = new ctrlSectionShapeInfo18();