SetScanArea  Method

Description         This method specifies the scanning area. The measurement of the area depends on the value of ICAP_UNITS capability. You can get this value with GetUnit method and specify the unit with SetUnit method. In common cases th unit is inch.

Usage                  ret = [form.]TWAIN. SetScanArea Left Top Right Bottom

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

Remarks             Left                         float                 Left coordinate of the scanning area.

                            Top                         float                 Top coordinate of the scanning area.

                            Right                      float                 Right coordinate of the scanning area.

                            Bottom                   float                 Bottom coordinate of the scanning area.

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

See Also              GetScanArea Method