public EditConceptCommand(ViewModels.Concept viewModel, ViewModels.Concept previousVersion, SemanticNetworkNode semanticNetworkNode, IInventorApplication application)
     : base(semanticNetworkNode, application)
 {
     ViewModel       = viewModel;
     PreviousVersion = previousVersion;
 }
 public AddConceptCommand(ViewModels.Concept viewModel, SemanticNetworkNode semanticNetworkNode, IInventorApplication application)
     : base(semanticNetworkNode, application)
 {
     ViewModel = viewModel;
 }