Declarationproperty DuplexEnabled: boolean;
If DuplexEnabled is True, the scanner scans both sides of a paper; otherwise, the scanner will scan only one side.
Use this property only within TImageEnMIO
component to enable/disable duplex mode.
Also see: DuplexSupported
Twain Property: CAP_DUPLEXENABLED
Note: Use IsCapabilitySupported
to detemine if this capability is supported by the current scanner
Default: False (Duplex is not enabled)