See Also Examples Applies To
Adjust the contrast into the native image or into the area defined by FiltersToZone() method.
Syntax
object.SetContrastEffect (nContrastPct)
The SetContrastEffect syntax has these parts:
| Part | Description |
| object | Required. An object expression that evaluates to an object in the Applies To list. |
| nContrastPct | Required. Long. Percentage of contrast to add/remove. |
Returns
Remarks
The GdTwainStatus constants are defined HERE
Category
Brightness / Contrast / Saturation / Gamma Effects
Visual Basic Sample
To increase contrast of 10% :
nStat = object.SetContrastEffect(10)
To decrease contrast of 10% :
nStat = object.SetContrastEffect(-10)