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();
function get_IsDuplexEnabled() : boolean;
Return Value
True - the duplex scanning is enabled, false - the duplex scanning is not enabled.
Exceptions
| Exception | Description |
|---|
| 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
See Also
