Specifies which version of the TWAIN Data Source Manager (DSM) to load.
Version 1.x is implemented by twain_32.dll found at 'systemroot'.
Version 2.x is implemented by TWAINDSM.dll found at 'systemroot\System32' and/or 'systemroot\SysWOW64'.
Depending on the installed drivers for the data source, the source may or may not appear in the source list depending on the TWAIN DSM version selected.
Syntax
Members
Member | Description |
LatestVersion |
Use the latest supported TWAIN DSM that is available.
If the TWAIN 2.x DSM can not be found, then resort to the TWAIN 1.x DSM.
If the TWAIN 1.x DSM can not be found, then an error will be thrown when attempting to open the connection.
|
None |
No version of the TWAIN DSM was specified and/or loaded.
|
Version1 |
Use version 1.x of the TWAIN DSM (twain_32).
If the TWAIN 1.x DSM can not be found, then an error will be thrown when attempting to open the connection.
Note that TWAIN 1.x does not support 64-bit TWAIN applications or sources.
|
Version2 |
Use version 2.x of the TWAIN DSM (TWAINDSM).
If the TWAIN 2.x DSM can not be found, then an error will be thrown when attempting to open the connection.
Note that TWAIN 2.x supports only sources implementing TWAIN 1.5 or later.
|
Inheritance Hierarchy
System.Object
System.ValueType
System.Enum
ImageGear.TWAIN.ImGearTWAIN.DSMVersion
See Also