API Reference

Detailed and full API reference helps you master Tekla development

This is the most recent version of Tekla Open API.
For older versions, please visit Tekla Warehouse.

ModelFetchModelObjects Method (ListIdentifier, Boolean)

Fetches a list of modelobjects based on given identifier list of objects, and optionally selects objects before returning them.

Namespace:  Tekla.Structures.Model
Assembly:  Tekla.Structures.Model (in Tekla.Structures.Model.dll) Version: 2023.0.1
public List<ModelObject> FetchModelObjects(
	List<Identifier> Ids,
	bool SelectInstances = true


Type: System.Collections.GenericListIdentifier
The identifier list to look for in the model.
SelectInstances (Optional)
Type: SystemBoolean
Optional parameter whether object is selected, default = true.

Return Value

Type: ListModelObject
The model objects with the given identifiers skipping the objects which do not exists or object data loading failed for some reason.
Identifiers of selected model objects are stored to list and fetched using list:
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using Tekla.Structures.Drawings;
using Tekla.Structures.Model;

public class Example
    public void Example1()
        // open document manager instance
        DrawingHandler DrawingHandler = new DrawingHandler();
        var drawingEnumerator = DrawingHandler.GetDrawings();
        while (drawingEnumerator.MoveNext())
             Drawing drawing = dEnumerator.Current as Drawing;
             if (drawing != null)
                 // get model objects identifiers from the drawing
                 var idList = DrawingHandler.GetModelObjectIdentifiers(drawing);

                 // fetch model objects in the drawing
                 Model model = new Model();
                 var objList = model.FetchModelObjects(idList, false);
                 MessageBox.Show(objList.Count.ToString() + " objects found.");
See Also