Gets or sets the character set filter for the zone.
One or more OcrZoneCharacterFilters enumeration members that specify the character set filter for the zone.
CharacterFilters can be used to the Language environment for this zone by by specifying character set filters. For more information, refer to OcrZoneCharacterFilters.
Note: This property is not supported in the LEADTOOLS OCR Advantage Engine and it will always contain OcrZoneCharacterFilters.None.
For an example, refer to DocumentConvertOptions.PagesZones