Returns the unit that is used for specifying the OCR area.
GetOCRAreaUnit(pDevMode As Long) As Long
Input value - handle to the BlackIceDEVMODE structure
Return value - One of the following values:
1: Pixel
2: 0.1*mm
3: 0.01*Inch
NOTE: For 32-bit applications, use pDevMode as Integer, instead of Long.