Parameters
- value
- A value that indicates whether the duplex scanning is enabled.
| Exception | Description |
|---|---|
| Thrown if argument has wrong type OR device is not opened OR error occurs during setting value of device capability. |
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.