VintaSoft Twain .NET SDK 15.4: Documentation for Web developer
Vintasoft.Twain Namespace / WebTwainDeviceJS type / get_IsDuplexEnabled Property
Syntax Exceptions Remarks BrowserCompatibility SeeAlso
In This Topic
get_IsDuplexEnabled Method
In This Topic
Gets a value that indicates whether the TWAIN/WIA/SANE/eSCL device scans images in duplex mode.
Syntax
var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);

var value; // Type: boolean
value = instance.get_IsDuplexEnabled();

Return Value

True - the duplex scanning is enabled, false - the duplex scanning is not enabled.
Exceptions
ExceptionDescription
Thrown if device is not opened.
Remarks

This property sends a synchronous request to get value of WebTwainDeviceCapabilityIdEnumJS.DuplexEnabled capability. If you want to use asynchronous request instead of synchronous request, please get information about WebTwainDeviceCapabilityIdEnumJS.DuplexEnabled capability using WebTwainDeviceJS.getCapabilityAsync or WebTwainDeviceJS.getCapabilitiesAsync function.

Browser Compatibility
9
See Also