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TWAIN ActiveX/Plug-in HTTP Control/SDK

Duplex Property

Description

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.

Data type

long

Syntax

ObjectName. Duplex

Remarks

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.

See also

IfDuplexEnabled property

Samples

Do a duplex scan.













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