| Source Fields | 
The Source type exposes the following members.
| Name | Description | |
|---|---|---|
| caps | ||
| Id | 
            Id of the scanner.
              | |
| Manufacturer | 
            Device manufacturer.
              | |
| ProductFamily | 
            Device product family.
              | |
| ProductName | 
            Device product name - the identifier.
              | |
| ProtocolMajor | 
            Twain protocol major version
              | |
| ProtocolMinor | 
            Twain protocol minor version
              | |
| SupportedGroups | 
            Twain supported groups
              |