public RouteEventSource( 
   RouteInfo routeInfo,
   EventInfo eventInfo,
   RouteEventSourceOptions routeEventSourceOptions
)

public void CreatePointEventSource(Geodatabase geodatabase, string routeFeatureClassName = "Roads", string eventTableName = "Accidents", string routeIdFieldName = "RID", string measureFieldName = "Measure")
{
    using (FeatureClass routesFeatureClass = geodatabase.OpenDataset<FeatureClass>(routeFeatureClassName))
    using (Table eventsTable = geodatabase.OpenDataset<Table>(eventTableName))
    {
        RouteInfo routeInfo = new RouteInfo(routesFeatureClass, routeIdFieldName);
        EventInfo eventInfo = new PointEventInfo(eventsTable, routeIdFieldName, measureFieldName);
        RouteEventSourceOptions routeEventSourceOptions = new PointEventSourceOptions(AngleType.Tangent) { ComplementAngle = true };

        using (RouteEventSource routeEventSource = new RouteEventSource(routeInfo, eventInfo, routeEventSourceOptions))
        using (RouteEventSourceDefinition routeEventSourceDefinition = routeEventSource.GetDefinition())
        {
            // Locating errors 
            IReadOnlyList<RouteEventSourceError> errors = routeEventSource.GetErrors();

            // Route event source fields 
            IReadOnlyList<Field> routeEventSourceFields = routeEventSourceDefinition.GetFields();

            // Add RouteEventSource to the ArcGIS Pro map
            FeatureLayerCreationParams layerParams = new FeatureLayerCreationParams(routeEventSource)
            {
                Name = "RoadAccidents"
            };

            LayerFactory.Instance.CreateLayer<FeatureLayer>(layerParams, MapView.Active.Map);
        }
    }
}

public void CreateLineEventSource(Geodatabase geodatabase, string routeFeatureClassName = "Roads", string eventTableName = "Accidents", string routeIdFieldName = "RID", string toMeasureFieldName = "toMeasure", string fromMeasureFieldName = "fromMeasure", string offsetFieldName = "Offset")
{
    using (FeatureClass routesFeatureClass = geodatabase.OpenDataset<FeatureClass>(routeFeatureClassName))
    using (Table eventsTable = geodatabase.OpenDataset<Table>(eventTableName))
    {
        RouteInfo routeInfo = new RouteInfo(routesFeatureClass, routeIdFieldName);
        EventInfo eventInfo = new LineEventInfo(eventsTable, routeIdFieldName, fromMeasureFieldName, toMeasureFieldName, offsetFieldName);
        RouteEventSourceOptions routeEventSourceOptions = new LineEventSourceOptions() { IsPositiveOffsetOnRight = true };

        using (RouteEventSource routeEventSource = new RouteEventSource(routeInfo, eventInfo, routeEventSourceOptions))
        using (RouteEventSourceDefinition routeEventSourceDefinition = routeEventSource.GetDefinition())
        {
            // Locating errors 
            IReadOnlyList<RouteEventSourceError> errors = routeEventSource.GetErrors();

            // Route event source fields 
            IReadOnlyList<Field> routeEventSourceFields = routeEventSourceDefinition.GetFields();

            // Add RouteEventSource to the ArcGIS Pro map
            FeatureLayerCreationParams layerParams = new FeatureLayerCreationParams(routeEventSource)
            {
                Name = "HighCrashAreas"
            };

            LayerFactory.Instance.CreateLayer<FeatureLayer>(layerParams, MapView.Active.Map);
        }
    }
}

public void LocateLineFeaturesAlongRoutes(Geodatabase geodatabase, string routeFeatureClassName = "Roads", string eventTableName = "Accidents", string routeIdFieldName = "RID", string toMeasureFieldName = "toMeasure", string fromMeasureFieldName = "fromMeasure")
{
    // Configure events table
    EventTableConfiguration lineEventTableConfiguration = new LineEventTableConfiguration(eventTableName, routeIdFieldName, fromMeasureFieldName, toMeasureFieldName) { KeepAllFields = true, MDirectionOffset = true };

    using (FeatureClass routeFeatureClass = geodatabase.OpenDataset<FeatureClass>(routeFeatureClassName))
    using (FeatureClass highCrashAreaFeatureClass = geodatabase.OpenDataset<FeatureClass>("HighCrashRegion"))
    {
        RouteInfo routeInfo = new RouteInfo(routeFeatureClass, routeIdFieldName);

        // Creates an event table inside the geodatabase
        routeInfo.LocateFeatures(highCrashAreaFeatureClass, 0.5, lineEventTableConfiguration);

        // Open newly created event table
        using (Table eventTable = geodatabase.OpenDataset<Table>(eventTableName))
        {
            EventInfo eventInfo = new LineEventInfo(eventTable, routeIdFieldName, fromMeasureFieldName, toMeasureFieldName);

            // Create RouteEventSource using new event table
            using (RouteEventSource routeEventSource = new RouteEventSource(routeInfo, eventInfo, new LineEventSourceOptions()))
            {
                // TODO
            }
        }
    }
}