Sets the height of the OCR area. The unit can be specified using the SetOCRAreaUnit function.
SetOCRAreaHeight(pDevMode As Long, iValue As Long) As Boolean
Input value - handle to the BlackIceDEVMODE structure
Input value - The new height of the OCR area.
Return value - TRUE on success, FALSE otherwise.
NOTE: For 32-bit applications, use pDevMode as Integer, instead of Long.