Declaration
property Contrast: TIEDoubleList;
Description
Specifies the Contrast value. Allowed range is -1000 to +1000.
Allowed values can be assigned to Contrast.CurrentValue property. To see which values your scanner supports consult the Contrast.Items[] array, or Contrast.RangeMin, Contrast.RangeMax and Contrast.RangeStep.
You can also limit scanner user interface allowed values by removing some Contrast.Items[] items or changing Contrast.RangeMin, Contrast.RangeMax or Contrast.RangeStep.
Twain Property: ICAP_CONTRAST
Note: Use
IsCapabilitySupported to determine if this capability is supported by the current scanner