Returns whether the source supports duplex. If so, it further returns the level of duplex the Source supports (one pass or two pass duplex). This is a runtime, read-only property.
long
ObjectName. Duplex
| Allowed Value | Duplex |
| 0 | duplex is not supported |
| 1 | 1-pass duplex |
| 2 | 2-pass duplex |
Using this property after calling OpenSource() method and before calling AcquireImage().
When an error occurs and IfThrowException property is TRUE, an exception will be thrown. Check ErrorCode property and ErrorString property for error information.
IfDuplexEnabled property