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

var returnValue; // Type: any

// Parameters
var value; // Type: WebPageOrientationEnumJS

returnValue = instance.set_PageOrientation(value);

function set_PageOrientation(
   value
An instance of WebPageOrientationEnumJS class.
 : WebPageOrientationEnumJS
) : any;

Parameters

value

An instance of WebPageOrientationEnumJS class.

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

Reference

WebTwainDeviceJS Class
WebTwainDeviceJS Members