ImageGear for C and C++ on Windows v19.4 - Updated
ICAP_CONTRAST
User Guide > How to Work with... > Common Operations > Scanning > TWAIN Scanning > Set Scanning Capabilities > ICAP_CONTRAST

Data Type:

TW_FIX32

Purpose:

The contrast values available within the Source.

The application can use this capability to inquire, set or restrict the values for CONTRAST used in the Source.

Valid Values:

-1000 to +1000

Default Value:

0