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Calling a .NET Component from a COM Component (Experiment)

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    #1

    Calling a .NET Component from a COM Component (Experiment)

    Hi,

    Due to the QRmakerPro OLE OCX ActiveX problem thread I did some experimenting. I wanted to know something more about the BrssCom.tlb problem contributed by Darren Farmer.

    Now I know it has to do with the exposure of the members and properties of a .NET Class to a COM callable device as Alpha Five or Word/Excel, etc.

    I followed the next line: MSDN

    I made the example mentioned here an got a simple Automation object in Visual Studio 2005 that I can use from Alpha Five.

    Lets check if Word can access the object.



    Yes, the library is present and the objects, members and properties.

    Ok, lets check if Alpha can see it.



    Yes. And do some testing in the interactive window.

    So, lets build the example in Xbasic.



    It works!

    Now some Xbasic code. First the OnInit code for the form.

    Code:
    dim shared moTempClass as P
moTempClass := ole.Create("physserver2.net_temperature")

'The interface class can't be referenced.
'dim shared moTemp as P
'moTemp := moTempClass.iTemperature
    The convert to Celsius button code:
    Code:
    moTempClass.fahrenheit := var->txtFahrenheit
var->txtCelsius := motempclass.getcelsius()
:frmPhys.refresh_fields()
    The convert to Fahrenheit button code:
    Code:
    moTempClass.celsius := var->txtCelsius
var->txtFahrenheit := motempclass.getfahrenheit()
:frmPhys.refresh_fields()
    Nice project. Now I can make my own Automation/ActiveX objects and use it from whatever I want.
    Marcel

    I hear and I forget. I see and I remember. I do and I understand.
    ---- Confusius ----
    Tags: None
    #2
    Re: Calling a .NET Component from a COM Component (Experiment)

    Marcel:
    Where were you when I asked about burning files to a CDRW?

    Comment

      #3
      Re: Calling a .NET Component from a COM Component (Experiment)

      Originally posted by G Gabriel View Post
      Marcel:
      Where were you when I asked about burning files to a CDRW?
      :( ??
      Marcel

      I hear and I forget. I see and I remember. I do and I understand.
      ---- Confusius ----

      Comment

        #4
        Re: Calling a .NET Component from a COM Component (Experiment)

        Can you use the same concept (that is if I am understanding you correctly) to burn a folder (a .net command) to CD, using xbasic?

        Comment

          #5
          Re: Calling a .NET Component from a COM Component (Experiment)

          If there is a standard function present in .NET that does the job, yes!

          But you get a complete .NET Framework installed if it isn't done already on your computer.
          Marcel

          I hear and I forget. I see and I remember. I do and I understand.
          ---- Confusius ----

          Comment

            #6
            Re: Calling a .NET Component from a COM Component (Experiment)

            I have installed .NET and since deleted it since I did not have much use for it. I am sure there is such a function. How do you do that? Do you backup your data on CD?

            Comment

              #7
              Re: Calling a .NET Component from a COM Component (Experiment)

              I use windows explorer. Just burn the data to cd. But still it is a very delicate process. Few months ago I made backups, 3 CD's and a complete copy of the data to 1 of pc's in my network before I installed Windows XP again.

              Murphy helped me. The copy was corrupt and disk 1 A..K was defect. I lost a lot of work even with double security.

              Now I copy my data to 2 pc's, my second disk and cd's :D

              Spoken about redundancy....
              Last edited by Marcel Kollenaar; 12-17-2006, 10:08 PM.
              Marcel

              I hear and I forget. I see and I remember. I do and I understand.
              ---- Confusius ----

              Comment

                #8
                Re: Calling a .NET Component from a COM Component (Experiment)

                Updated MSDN link.
                Marcel

                I hear and I forget. I see and I remember. I do and I understand.
                ---- Confusius ----

                Comment

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