FlatCtrl GetFlatCtrl(string classKey) { FlatCtrl flatCtrl = null; if (dicFlatCtrl.TryGetValue(classKey, out flatCtrl) && null != flatCtrl) { return(flatCtrl); } flatCtrl = SharedLogic.GetFlatControl(classKey); if (null != flatCtrl) { flatCtrl.Dock = DockStyle.Top; dicFlatCtrl[classKey] = flatCtrl; } return(flatCtrl); }