SetUnit  Method

Description         This method specifies the unit of measure of the scanner.

Usage                  ret = [form.]TWAIN. SetUnit lUnit

Returns               ret                           Long                Return TW_OK on success or an error code on failure.

Remarks             lUnit                       Long                The unit of measure.

Programing Notes           Important: Before scanning, if the scanner specific driver user interface is enabled, the driver most likely will overwrite the scan unit value set by this method.

Scanning units:     TW_INCHES             0

TW_CENTIMETERS 1
TW_PICAS                2
TW_POINTS              3
TW_TWIPS                4
TW_PIXELS              5

See Also              GetUnit Method