public ExportWithUnitsViewModel(ExportWithUnits model, NodeView nodeView)
 {
     exportWithUnitsModel = model;           
     nodeViewModel = nodeView.ViewModel;
     nodeModel = nodeView.ViewModel.NodeModel;
     model.PropertyChanged +=model_PropertyChanged;      
 }
 public ExportWithUnitsControl(ExportWithUnits Model, NodeView nodeView)
 {
     InitializeComponent();
 }