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How to get list of available sources without driver window

Forums › TWAIN Classic › How to get list of available sources without driver window

  • This topic has 1 reply, 2 voices, and was last updated 7 years, 9 months ago by MarkM.
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  • March 29, 2013 at 3:27 pm #22836 Reply
    Duddits
    Participant
    • Topics - 1
    • Replies - 0
    • Total Posts - 1

    Hi All,

    I started with using TWAIN in VB.NET (should be addtionally to WIA where not all scanner capabilities are supported). I found a quite comprehensive example. But there the source is selected by driver window. How can I retrieve this list without usage of this window?

    Best Regards
    Duddits

    April 2, 2013 at 7:34 pm #25857 Reply
    MarkM
    Participant
    • Topics - 1
    • Replies - 135
    • Total Posts - 136

    Hi Duddits…

    Check out DG_CONTROL / DAT_IDENTITY / MSG_GETFIRST and DG_CONTROL / DAT_IDENTITY / MSG_GETNEXT. The TW_MEMREF argument is a pointer to a TW_IDENTITY structure. The TW_IDENTITY.ProductName returned by these calls is the value used by the Data Source Manager to select which driver to open when calling DG_CONTROL / DAT_IDENTITY / MSG_OPENDS…

    — Mark

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Reply To: How to get list of available sources without driver window
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