#include "ltdoc2.h"

L_LTDOC2_API L_INT EXT_FUNCTION L_Doc2GetZoneColor(hDoc, nPageIndex, nZoneIndex, pClr)

Gets the color of the specified zone on the specified page.


L_HDOC2 hDoc

Handle to the OCR document. This handle is obtained by calling the L_Doc2StartUp function.

L_INT nPageIndex

Index of the page. This is a zero-based index.

L_INT nZoneIndex

Index of the zone. This is a zero-based index.


Address of a variable to be updated with the color of the zone.


Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.


This function will get the zone color only for those zones that the engine detects on the specified page. Use the zone index from the zones list that the engine detects.

To get the number of zones that the engine detected, call the L_Doc2GetZoneCount / L_Doc2GetZoneCountExt function.

Call the L_Doc2FindZones / L_Doc2FindZonesExt function to have the engine detect the zones on a specific page.

Required DLLs and Libraries

Help Version 21.0.2021.4.7
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