TwainGetCurrentContrast Method

See Also     Examples     Applies To

Get the current contrast.

Syntax

object.TwainGetCurrentContrast ()

The TwainGetCurrentContrast syntax has these parts:

Part Description
object Required. An object expression that evaluates to an object in the Applies To list.

Returns

Long. If Success: The TWAIN standard *says* that the range for this cap is -1000 ... +1000. If fail, returns -99999 -> 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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