API Reference

Detailed and full API reference helps you master Tekla development

This is the most recent version of Tekla Open API.
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ShapeItemGetInstanceCount Method

Get the number of instances used in the model of a shape

Namespace:  Tekla.Structures.Catalogs
Assembly:  Tekla.Structures.Catalogs (in Tekla.Structures.Catalogs.dll) Version: 2023.0.1
public int GetInstanceCount()

Return Value

Type: Int32
The number of shape instances
This sample shows how to call the GetInstanceCount method to detect shapes without instances thus can be removed.
public List<string> CheckShapeInstancesTest()
    var shapeEnumerator = CatalogHandler.GetShapeItems();
    var removedShapes = new List<String>();

    while (shapeEnumerator.MoveNext())
        var shape = shapeEnumerator.Current;

        if (shape.GetInstanceCount() == 0)

    return removedShapes;
See Also
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