set_IsDuplexEnabled Method
In This Topic
Sets 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 returnValue; // Type: any
// Parameters
var value; // Type: boolean
returnValue = instance.set_IsDuplexEnabled(value);
function set_IsDuplexEnabled(
: boolean
) : any;
Parameters
- value
- A value that indicates whether the duplex scanning is enabled.
Exceptions
| Exception | Description |
| Thrown if argument has wrong type OR device is not opened OR error occurs during setting value of device capability. |
Remarks
This property sends a synchronous request to set value of WebTwainDeviceCapabilityIdEnumJS.DuplexEnabled capability. If you want to use asynchronous request instead of synchronous request, please set value of WebTwainDeviceCapabilityIdEnumJS.DuplexEnabled capability using WebTwainDeviceJS.setCapabilityAsync or WebTwainDeviceJS.setCapabilitiesAsync function.
Browser Compatibility
See Also