interface

  1. L

    Problem with Class Interop and Interface

    Hi everyone, I am just a newbie in this forum. Before I am 100% of VBA programer. Now I step futher by using VB. NET to build ExcelAddin. I managed to build a "library" base on VBA Code with multi level of class function. However, when I move to VB. NET, I face a problem that I cannot...
  2. martinandrovich

    Question Parallel Port Interface

    Hello dear Forum, I have a problem interfacing with the Parallel Port. I have tried using the "inpout32.dll" to communicate with the port, but it didn't work for me. I have used another program (coded in C++), and I have successfully read the S-port-data - and that's what I mainly need the...
  3. G

    Efficiently linking to an Access 2007 Database

    Hello all, I've got a quick question. I'm very experienced developping database interfaces using the MS Access 2007 VBA. I've just switched to Vb Net for various reasons. I've got the link with my database working, I can access all the info correctly. It was surprisingly simple to get it to...
  4. O

    Question Auto generating interface methods

    I have used netbeans for some time now, and was assuming that visual studio would have some sort of feature to auto-fill the methods which my class is supposed to implement. I searched a bit through the forum/google, but could only find this link. Auto insertion of interface members in Visual...
  5. L

    using .dll in a Class Library

    Hi, this is my first time in the forum, I hope to be clear. I have to create a Class Library in VB.NET 2003 (and not other) using a .dll already existed. I’ve load this .dll in the Reference of my Class Library but I can’t use their objects. Instead, if I create a Windows Form Apllication, I can...
  6. M

    Question Enforce "contract" without using an Interface

    I have a situation where I need to make sure that a class implements a set of Shared methods. The context is quite complex, so I'll spare the details. I basically have an abstract class that deals heavily with Generics. I need to call a Shared method on the Generic class T. I need to make sure...
  7. punto13

    Question Enumerate the classes from my interface

    Hi, I think my problem is easy to solve. I developed an interface called "Animal". My programmers created classes for "Dog", "Cat", and "Horse" Later I want to let the user create an animal in a Windows form. How can I get my annimals to appear in the combo for selecting one of them? Each...
  8. Z

    Question Help Implementing Event from Interface

    I am having trouble implementing an Event from an Interface in a ClassLibrary. Here's the scenario: o I have 2 projects -- a ClassLibrary "CL1" and a Windows Application. The ClassLibrary: o Contains a Friend Interface "I1" and a Public Class "C1". o The Interface defines one Event "E1" and one...
  9. danabnormal

    Question First foray into Interfaces - what Datatypes can be used?

    Hey all. I'm developing a VB.Net desktop app and its made sense to go down the route of having functionality being provided by individual plugins. So I've created a test app to get used to how you implement this using Interfaces and all is going swimmingly, however theres a questions I have...
  10. N

    Question My plan for dynamic add-on loading - Thoughts?

    Hi! I am currently developing an application that will be the "base" for several components (business reporting systems, order management, etc). The idea is that our customers will install this "mother application", and we will offer components that will slot into it, expanding the...
Top Bottom