Creating the new feature definition by reading values from .csv file. It creates a new feature definition in point category and in alignment category.

The below image shows the content of .csv file used, The first column defines the feature definition name to set, and second column defines the category for adding the new feature definition.

//Required References
using System;
using System.IO;

public void CreateFeatureDefinitions()
        {

            //.CSV file name to read data for creating feature definitions
            string fileName = "D:\\DrawingProduction\\FeatureDefinitionTemplate.csv";

            //Read all lines from csv file into array of strings
            String[] lines = File.ReadAllLines(fileName);

            //Get Object space required for persisting the changes
            Bentley.CifNET.CadSystem.IObjectSpaceManager objectSpaceManager = Bentley.CifNET.ServiceManager.Instance.GetService<Bentley.CifNET.CadSystem.IObjectSpaceManager>();
            Bentley.CifNET.Objects.IObjectSpace objectSpace = objectSpaceManager.ObjectSpace;
            if (objectSpace == null) return;

            //Get or create ContentManagementModel
            Bentley.CifNET.ContentManagementModel.ContentManagementModel cmm = Bentley.CifNET.ContentManagementModel.ContentManagementModel.GetContentManagementModelAndCreateIfDontExist(objectSpace);
            if (cmm == null) return;

            for (int itr = 1; itr < lines.Length; itr++)
            {
                string[] fdParams = lines[itr].Split(',');

                //Read name and category for feature definition
                string featureDefNameToSet = fdParams[0];
                string type = fdParams[1];

                //Create feature definition for points category
                if (type == "PointObjectSettings" && featureDefNameToSet != null)
                {
                    var os = cmm.AddObjectSettings(featureDefNameToSet, typeof(Bentley.CifNET.GeometryModel.ContentManagement.PointObjectSettings), null);
                    if (os == null) continue; ;
                    objectSpace.PersistChanges(cmm);
                }
                //Create feature definition for alignments category
                else if (type == "AlignmentObjectSettings" && featureDefNameToSet != null)
                {
                    var os = cmm.AddObjectSettings(featureDefNameToSet, typeof(Bentley.CifNET.GeometryModel.ContentManagement.AlignmentObjectSettings), null);
                    if (os == null) continue; ;
                    objectSpace.PersistChanges(cmm);
                }
            }
            return;
        }

 

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Output