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Thread: Internal Error

  1. #1
    Join Date
    Oct 2008
    Posts
    2

    Internal Error

    Hello,

    I am using the IC Imaging Control 3.0 that came with my Imaging Source video to 1394 converter. I am programming in Visual Basic .NET using Visual Studio 2003 in Windows Xp. I have no problem compiling and running the sample application DemoApp that came with the software: my video signal comes through great. Similarly, if I create my own Windows application from scratch and drop the control ICImagingControl on a form I also have no problems. However, when I drop this same control in an existing Windowns application that we have and try to call the method LiveStart, I get the following exception: "Internal error". This happens even though, in the form designer at design time, when I select the VCDPropertyItems property the video signal comes through. Note that the property .DeviceValid = TRUE immediately before my call to .LiveStart.

    Please let me know how to correct this problem.

  2. #2
    Join Date
    Jan 2003
    Location
    Bremen, Germany
    Posts
    4,868

    Re: Internal Error

    Hi

    This is a hard to catch error. My first suspect is, that references are missing. Please have a look into the Solution explorer at References and check, whether the references

    AxInterop.ICImagingControl3.dll
    Interop.ICImagingControl3.dll
    dotnetfilter.dll

    are listed. If not, you can add them manually from "C:\Program Files\The Imaging Source Europe GmbH\IC Imaging Control 3.0\bin\"
    Best regards
    Stefan
    IC Imaging Control Support

  3. #3
    Join Date
    Oct 2008
    Posts
    2

    Re: Internal Error

    Thanks for working with me on this. Indeed, all three references are present.

    If it helps: when I first installed the control I had a large number of errors. I eventually tracked the problem to the presence of the structure dotnetfilter.exception, which was conflicting with System.Exception. Specifically, in my original code I used:

    Catch ex As Exception

    but I had to rewrite them all as:

    Catch ex As System.Exception

    to get around the problem. Could there be other naming conflicts that are not apparent? I did not find anyone else on the forum that experienced this problem.

  4. #4
    Join Date
    Jan 2003
    Location
    Bremen, Germany
    Posts
    4,868

    Re: Internal Error

    Hi,

    since IC Imaging Control works fine in "stand-alone" applications, as you write, I think, the problem is your main application. But I can not imagine, what creates the problem in there. I have not heard about conflicts with other controls.

    May be, we can try with another version of IC. Please send a request using
    http://www.imagingcontrol.com/en_US/support/case/
    Best regards
    Stefan
    IC Imaging Control Support

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