ImageEn, unit ietwain

TIETwainParams.Contrast

TIETwainParams.Contrast


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