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Platform invoke???

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  • E Eric Gunnerson msft

    Can you explain what you're trying to do? If you're trying to drive excel, you'd do that through COM interop, not through P/Invoke. You do that by adding the excel com component to your project (or through tlbimp if you don't have vs).

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    Vu Truong
    wrote on last edited by
    #8

    Thanks for your reply. I use Microsoft Excel Object Library to create and edit on Excel files. So I have to make sure that Microsoft Excel is already installed. I also want to check I can use ADOX on the user's computer or not. I think if getting CLSID of these components successfully, I can use them. Is it right?

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    • D David Stone

      Ummm, Eric your company is giving us this: http://msdn.microsoft.com/downloads/default.asp?url=/downloads/sample.asp?url=/msdn-files/027/001/999/msdncompositedoc.xml[^] and they say to use that instead of doing any type of COM stuff. Just thought I'd let you know. :) Norm Almond: I seen some GUI's in my life but WTF is this mess ;-) Leppie: I made an app for my sister and she wouldnt use it till it was colorful enough:) Norm:good point leppie, from that statement I can only deduce that this GUI must be aimed at children:laugh: Leppie:My sister is 25:eek: -Norm on the MailMagic GUI

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      Eric Gunnerson msft
      wrote on last edited by
      #9

      I didn't know we'd made those available. The page you link is correct, you should use the primary interop assemblies rather than rolling your own.

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      • J Jorgen Sigvardsson

        How would such an interop assembly behave on a system where excel is not installed? Would it crap out on me while loading the application or would it throw a bunch of exceptions at me when I try to instantiate the COM-objects? -- Please state the nature of your medical emergency.

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        Eric Gunnerson msft
        wrote on last edited by
        #10

        Hmm. I don't know the answer to that.

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        • E Eric Gunnerson msft

          I didn't know we'd made those available. The page you link is correct, you should use the primary interop assemblies rather than rolling your own.

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          Jorgen Sigvardsson
          wrote on last edited by
          #11

          Eric Gunnerson (msft) wrote: you should use the primary interop assemblies rather than rolling your own Any special reason for this? -- Please state the nature of your medical emergency.

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          • J Jorgen Sigvardsson

            Eric Gunnerson (msft) wrote: you should use the primary interop assemblies rather than rolling your own Any special reason for this? -- Please state the nature of your medical emergency.

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            Eric Gunnerson msft
            wrote on last edited by
            #12

            The big reason is that they're signed.

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            • E Eric Gunnerson msft

              The big reason is that they're signed.

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              Nick Parker
              wrote on last edited by
              #13

              Eric Gunnerson (msft) wrote: The big reason is that they're signed. Sounds like political red tape typical from any company, am I right?... ;) Nick Parker
              **The goal of Computer Science is to build something that will last at least until we've finished building it. - Unknown


              **

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              • N Nick Parker

                Eric Gunnerson (msft) wrote: The big reason is that they're signed. Sounds like political red tape typical from any company, am I right?... ;) Nick Parker
                **The goal of Computer Science is to build something that will last at least until we've finished building it. - Unknown


                **

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                Eric Gunnerson msft
                wrote on last edited by
                #14

                Nick Parker wrote: Sounds like political red tape typical from any company, am I right?... I don't understand your point.

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                • E Eric Gunnerson msft

                  Nick Parker wrote: Sounds like political red tape typical from any company, am I right?... I don't understand your point.

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                  Nick Parker
                  wrote on last edited by
                  #15

                  Eric Gunnerson (msft) wrote: I don't understand your point. I was only being facetious. Just trying to lighten things up in the C# forum. No bad feelings? ;) Nick Parker
                  **The goal of Computer Science is to build something that will last at least until we've finished building it. - Unknown


                  **

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                  • E Eric Gunnerson msft

                    I didn't know we'd made those available. The page you link is correct, you should use the primary interop assemblies rather than rolling your own.

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                    David Stone
                    wrote on last edited by
                    #16

                    How much stuff do you not make available to us??? :suss: Norm Almond: I seen some GUI's in my life but WTF is this mess ;-) Leppie: I made an app for my sister and she wouldnt use it till it was colorful enough:) Norm:good point leppie, from that statement I can only deduce that this GUI must be aimed at children:laugh: Leppie:My sister is 25:eek: -Norm on the MailMagic GUI

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                    • D David Stone

                      How much stuff do you not make available to us??? :suss: Norm Almond: I seen some GUI's in my life but WTF is this mess ;-) Leppie: I made an app for my sister and she wouldnt use it till it was colorful enough:) Norm:good point leppie, from that statement I can only deduce that this GUI must be aimed at children:laugh: Leppie:My sister is 25:eek: -Norm on the MailMagic GUI

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                      Eric Gunnerson msft
                      wrote on last edited by
                      #17

                      This much (holding hands about 3 feet apart)... Perhaps "released" would have been a better term.

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                      • E Eric Gunnerson msft

                        This much (holding hands about 3 feet apart)... Perhaps "released" would have been a better term.

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                        David Stone
                        wrote on last edited by
                        #18

                        Okay. Just wanted one more reason to work at Microsoft...:-D Norm Almond: I seen some GUI's in my life but WTF is this mess ;-) Leppie: I made an app for my sister and she wouldnt use it till it was colorful enough:) Norm:good point leppie, from that statement I can only deduce that this GUI must be aimed at children:laugh: Leppie:My sister is 25:eek: -Norm on the MailMagic GUI

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