Declaration
property Shadow: double;
Description
Specifies which value in an image should be interpreted as the darkest "shadow". All values "darker" than this value will be clipped to this value.
-1 is the default scanner value (it means "do not change current value").
Allowed values from 0 to 255.
Twain Property: ICAP_SHADOW
Note: Use
IsCapabilitySupported to determine if this capability is supported by the current scanner