Read-only property

Public Property Device_ImageContrastMinValue As Single

Call this property after Device_Open and before Device_AcquireImage.

This property has effect only if you do not use User Interface (Device_ShowUI=False).

Information about error that occurs during getting property value can be get using the Error and ErrorString properties.

Please see example here.

VintaSoftTwain Object  | VintaSoftTwain Members  | Device_ImageContrast Property  | Device_ImageContrastMaxValue Property  | Device_Open Method