var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);

var returnValue; // Type: any

// Parameters
var value; // Type: string

returnValue = instance.set_Halftones(value);

function set_Halftones(
   value
The halftones for bit depth reduction of images for current scan session.
 : string
) : any;

Parameters

value

The halftones for bit depth reduction of images for current scan session.

This property sends a synchronous request to set value of WebTwainDeviceCapabilityIdEnumJS.IHalftones capability. If you want to use asynchronous request instead of synchronous request, please set value of WebTwainDeviceCapabilityIdEnumJS.IHalftones capability using WebTwainDeviceJS.setCapabilityAsync or WebTwainDeviceJS.setCapabilitiesAsync function.

Reference

WebTwainDeviceJS Class
WebTwainDeviceJS Members