public RelatedNodeMiniButtonViewModel(IModelService modelService, IDiagramService diagramService,
RelatedNodeType relatedNodeType)
: base(modelService, diagramService, relatedNodeType.Name)
{
_directedModelRelationshipType = relatedNodeType.RelationshipType;
ConnectorType = diagramService.GetConnectorType(relatedNodeType.RelationshipType.Stereotype);
_lastModel = modelService.Model;
_lastDiagram = diagramService.Diagram;
ModelService.ModelChanged += OnModelChanged;
DiagramService.DiagramChanged += OnDiagramChanged;
}