> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ChangePosition Object (IChangePosition Interface)

This object represents the place in the document where a change begins or ends. For a text change, you can get the exact symbol in the text where the change begins or ends.

Properties

| Name           | Type                                                                                                                                                                                                          | Description                                                                                              |
| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------- |
| Application    | [Engine](/fine-reader/engine/api-reference/engine-object-iengine-interface), [read-only](/fine-reader/engine/guided-tour/advanced-techniques/programming-aspects/working-with-properties#readonly_properties) | Returns the [Engine](/fine-reader/engine/api-reference/engine-object-iengine-interface) object.          |
| BlockNumber    | [int](/fine-reader/engine/guided-tour/advanced-techniques/programming-aspects/working-with-properties), read-only                                                                                             | Returns the index of the text block in the page layout. This property is used for the text changes only. |
| PageIndex      | [int](/fine-reader/engine/guided-tour/advanced-techniques/programming-aspects/working-with-properties), read-only                                                                                             | Returns the page index.                                                                                  |
| ParagraphIndex | [int](/fine-reader/engine/guided-tour/advanced-techniques/programming-aspects/working-with-properties), read-only                                                                                             | Returns the index of the paragraph in the text block. This property is used for the text changes only.   |
| SymbolIndex    | [int](/fine-reader/engine/guided-tour/advanced-techniques/programming-aspects/working-with-properties), read-only                                                                                             | Returns the index of the symbol in the text block. This property is used for the text changes only.      |

## Related objects

<img src="https://mintcdn.com/abbyy/6udH-pkk8zkVafYH/images/fine-reader/engine/changeposition.gif?s=8c0453aceca3659b23a68e59a270dc13" alt="ChangePosition" width="299" height="110" data-path="images/fine-reader/engine/changeposition.gif" />[](/fine-reader/engine/api-reference/document-comparison-objects/changelocation#endposition)[](/fine-reader/engine/api-reference/document-comparison-objects/changelocation#startposition)[](/fine-reader/engine/api-reference/document-comparison-objects/change#userlocation)[](/fine-reader/engine/api-reference/document-comparison-objects/change#referencelocation)[](/fine-reader/engine/api-reference/supplementary-objects-and-methods/region)[](/fine-reader/engine/api-reference/document-comparison-objects/changelocation)[](/fine-reader/engine/api-reference/document-comparison-objects/change)

[Object Diagram](/fine-reader/engine/api-reference/object-diagram)

## Samples

The object is used in the [Document Comparison](/fine-reader/engine/guided-tour/samples#documentcomparison) demo tool for Windows and the [Document Comparison](/fine-reader/engine/guided-tour/samples#documentcomparison_linux) code sample for Linux and Mac.

## See also

[ChangeLocation](/fine-reader/engine/api-reference/document-comparison-objects/changelocation)

[Working with Properties](/fine-reader/engine/guided-tour/advanced-techniques/programming-aspects/working-with-properties)

[Migration Guide from ScanDifFinder SDK to Document Comparison API](/fine-reader/engine/specifications/migration-guide-from-scandiffinder-sdk-to-document-comparison-api)