See Also Examples Applies To
Returns 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.TwainGetCurrentThreshold ()
The TwainGetCurrentThreshold syntax has these parts:
| Part | Description |
| object | Required. An object expression that evaluates to an object in the Applies To list. |
Returns
Long. Current threshold value between 0 and 255. -1 If it is not supported by the current device (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