TwainSetCurrentThreshold Method

See Also     Examples     Applies To

Try to specify the dividing line between black and white. This is the value the Source will use to threshold, if needed, when scanning B&W image.

Syntax

object.TwainSetCurrentThreshold (nThreshold)

The TwainSetCurrentThreshold syntax has these parts:

Part Description
object Required. An object expression that evaluates to an object in the Applies To list.
nThreshold Required. Long Threshold value between 0 and 255.

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





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