set_LampState Method

In This Topic

Sets a value indicating whether the lamp of device is on.

Syntax

Javascript (Usage)
Javascript (Specification)

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

var returnValue; // Type: any

// Parameters
var value; // Type: boolean

returnValue = instance.set_LampState(value);

function set_LampState(
   valueA value indicating whether the lamp of device is on.
 : boolean
) : any;

Parameters

value: A value indicating whether the lamp of device is on.

Exceptions

Exception	Description
	Thrown if device is not opened OR error occurs during setting value of device capability.

Remarks

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

Browser Compatibility

Reference

WebTwainDeviceJS Class
WebTwainDeviceJS Members

Send Feedback