See Also Examples Applies To
Tries to set the current contrast for the next acquisition.
Syntax
object.TwainSetCurrentContrast (nContrastValue)
The TwainSetCurrentContrast syntax has these parts:
| Part | Description |
| object | Required. An object expression that evaluates to an object in the Applies To list. |
| nContrastValue | Required. Long. The TWAIN standard *says* that the range for this cap is -1000 ... +1000. |
Returns
Boolean. True if success, else False -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.
Remarks
Before using this function check that the TWAIN state is 4 (TWAIN_SOURCE_OPEN)
To get the TWAIN state, use the TwainGetState() function.
Category
TWAIN Functions