| Definition | An rectangular region in which to perform OCR. |
| Attributes | rgbColor1, lfFont |
| Named Blocks and Associated Structures | OiAnoDatNot used OiFilNamNot used OiDIBNot used OiGroupSTR OiIndexSTR OiAnTextOIAN_TEXTPRIVDATA (This will contain a sequential number string). |
Note: The OCR region annotation type is available with Imaging for Windows Professional Edition only.