Canon SDK & .NET

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  • Bill Yellin
    #1

    Canon SDK & .NET

    Greetings!
    Trying to get the CANON Camera SDK to work with .Net - works well in
    VB6, and Canon does say that they're not supporting .Net, but I've seen
    messages out here from people who are working with it. So....

    I took a working VB6 app and let the wizard convert it to .Net. When
    execurint cdStartSDK, I get an 'unable to load dll' error. I've tried
    putting the CDSDK.dll in the all folder levels of the app, with no
    change.

    Anyone working with this, how do you have it set up? I'm using
    version 6.1.2 of the SDK.

    Thanks, ......Bill

    Tags: None
    • Chris, Master of All Things Insignificant
      #2
      Re: Canon SDK & .NET

      Do you have a reference to the dll in your project?

      Chris

      "Bill Yellin" <wyellin@co.dut chess.ny.us> wrote in message
      news:1108057364 .489820.268540@ c13g2000cwb.goo glegroups.com.. .[color=blue]
      > Greetings!
      > Trying to get the CANON Camera SDK to work with .Net - works well in
      > VB6, and Canon does say that they're not supporting .Net, but I've seen
      > messages out here from people who are working with it. So....
      >
      > I took a working VB6 app and let the wizard convert it to .Net. When
      > execurint cdStartSDK, I get an 'unable to load dll' error. I've tried
      > putting the CDSDK.dll in the all folder levels of the app, with no
      > change.
      >
      > Anyone working with this, how do you have it set up? I'm using
      > version 6.1.2 of the SDK.
      >
      > Thanks, ......Bill
      >[/color]


        Comment

        • Bill Yellin
          #3
          Re: Canon SDK &amp; .NET

          No. The dll can't be registered, and in their docs, Canon says that it
          just has to be in the app folder. It works fine that way in VB6.

            Comment

            • Chris, Master of All Things Insignificant
              #4
              Re: Canon SDK &amp; .NET

              I wasn't asking if it was "registered ". I asked if you added a reference to
              it in your project. If you can't reference the dll in your project, then I
              don't know how your would use it.

              Chris

              "Bill Yellin" <wyellin@co.dut chess.ny.us> wrote in message
              news:1108058878 .913004.221420@ l41g2000cwc.goo glegroups.com.. .[color=blue]
              > No. The dll can't be registered, and in their docs, Canon says that it
              > just has to be in the app folder. It works fine that way in VB6.
              >[/color]


                Comment

                • Bill Yellin
                  #5
                  Re: Canon SDK &amp; .NET

                  Sorry - I tried adding a reference and I'm told that it's 'not a valid
                  assembly or COM object'.

                    Comment

                    • Pug
                      #6
                      Re: Canon SDK &amp; .NET

                      To use the canon sdk you have to reference the sdk by p/invoke methods,
                      using vs to translate the vb6 example to .net should provide you with a
                      starting point. I was working on transferring the vb6 example in the v6 sdk
                      to .net but gave up when they released v7 sdk. It was split into two
                      libraries for eos and the powershot series with no vb examples and only
                      support for C. They even mention that they have no plans in developing or
                      supporting a .net version, which seems a little stupid to me as most
                      compilers now seem to be for the .net framework.

                      Steve


                      "Bill Yellin" <wyellin@co.dut chess.ny.us> wrote in message
                      news:1108059362 .753357.73050@o 13g2000cwo.goog legroups.com...[color=blue]
                      > Sorry - I tried adding a reference and I'm told that it's 'not a valid
                      > assembly or COM object'.
                      >[/color]


                        Comment

                        • Bill Yellin
                          #7
                          Re: Canon SDK &amp; .NET

                          Yeah, I've seen that note. That's why I'm using version 6.
                          Actually, I've gotten past the problem described above by putting the
                          dll in the app's \bin folder. I can now issue the cdStart SDK command,
                          and run through the enumeration of the attached cameras (only one, of
                          course) to fill in the Source_Info structure. Need this to issue the
                          cdOpenSource command, but it dies there, on a return code of 167772288.

                          Any ideas?

                          Stinks not having access to tech support or a decent debug source. The
                          manual just covers the commands, not errors.

                          ....Bill

                            Comment

                            • Ken Tucker [MVP]
                              #8
                              Re: Canon SDK &amp; .NET

                              Hi,

                              I have had luck with getting the canon camera sdk to work with
                              vb.net. Here is a sample in the got dot net web site that works.

                              http://www.gotdotnet.com/Community/UserSamples/Details.aspx?SampleGuid=167cdf2d-36a1-45db-80a8-3ee5ef1b91c0


                              Ken
                              ------------------------
                              "Bill Yellin" <wyellin@co.dut chess.ny.us> wrote in message
                              news:1108057364 .489820.268540@ c13g2000cwb.goo glegroups.com.. .
                              Greetings!
                              Trying to get the CANON Camera SDK to work with .Net - works well in
                              VB6, and Canon does say that they're not supporting .Net, but I've seen
                              messages out here from people who are working with it. So....

                              I took a working VB6 app and let the wizard convert it to .Net. When
                              execurint cdStartSDK, I get an 'unable to load dll' error. I've tried
                              putting the CDSDK.dll in the all folder levels of the app, with no
                              change.

                              Anyone working with this, how do you have it set up? I'm using
                              version 6.1.2 of the SDK.

                              Thanks, ......Bill


                                Comment

                                • Bill Yellin
                                  #9
                                  Re: Canon SDK &amp; .NET

                                  Thanks, Ken - I'll check it out out Monday. (Not working tomorrow,
                                  Friday.)

                                  .....Bill

                                    Comment

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