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Questions tagged [comvisible]

50 questions
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SoapException not caught in a ComVisible class

I am developing a ComVisible library in .NET which is then called in an old VB6 class. What I basically do in the class is calling a web service, parsing the response and returning an object with necessary data. The web service is designed so that…
Azimuth
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What is the quickest way to add a COM visible event to VB.NET class?

What is the quickest way to add a COM visible event to VB.NET class? Is there something in the Visual Studio toolbox or is there a macro that will do this? I am using VS2005. EDIT: In this article…
Paul Lassiter
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Debugging Com-Visible DLL for VB6 App

I'm updating an app that was written in VB6. I want to write the New code in VS2010 and keep it in a DLL. But I cannot figure out how to Debug the DLL code. I can get it to step into the DLL code from a test app in VS2010, but not from the real app…
Tony Raymond
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CA1017 ComVisible related errors with VS2010 StyleCop

I have CA1017 error message with StyleCop saying I need to make it ComVisible false. Error 18 CA1017 : Microsoft.Design : Because 'NationalInstruments.Labview.FPGA.ModelsimCommunicator.dll' exposes externally visible types, mark it with…
prosseek
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How do I find the file containing a ComVisible class registered using regasm?

I have written a class in C# and marked it ComVisible. I uploaded it to my customer's computer and registered it using RegAsm. But when I try to use it from a Python script, I get an error saying "The system cannot find the file specified." If I…
ROBERT RICHARDSON
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What exception type does C++ see when a C# class marked ComVisible throws an exception?

I have a C# class marked ComVisible that has a function that writes to a file. If the folder the file is supposed to be written to does not exist, it throws a System.IO.DirectoryNotFoundException. If I use throw; to raise it back to the C++…
ROBERT RICHARDSON
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Access to an SSL encrypted WebResource fails via a ComVisible DLL

I used C# to create a DLL that uses a WebRequest to access a WebService. This DLL is declared as ComVisible, so I can use it with Delphi. If the WebRequest works unencrypted, everything works fine. But when I use https as protocol, I get the…
Robert Hofmann
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Passing array of string from Delphi 7 to COM Visible C# .net DLL

I have a C# DLL (.NET 2.0 framework) which is setup as COM Visible. The Interface is declared as [Guid("....")] [InterfaceType(ComInterfaceType.InterfaceIDispatch)] public interface IMyClass { [DispId(1)] string myFunc(string url, ref string[]…
Ray Chang
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.NET: Make an object and all of its subordinate objects COM visible

I've got a proprietary assembly with a class, which needs to be COM visible, so I can use it with other (non .NET) applications. Imagine a class like this: public class CProprietary { public CProprietary2 oSubItem; } public class…
David Gausmann
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.net COMVisible/ComInterop - can you use a type without registering it?

My first attempts at this have failed but I'm hoping it is possible. If I have a class like this that is COM registered: [ComVisible(true)] public interface Resolver { object Resolve(string…
Andrew
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Passing VB6 classes from dll to vb script through c#.net

I have a dll containing VB6 classes (.cls files). I have a VB script that uses these classes. I have a C#.Net program that runs the script using Microsoft Script Control library (Ref:…
Rashmi Pandit
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comvisible c# dll , needs to be updated

I am going nuts over why a com dll does not get updated on a target server . I had a DLL that worked before , now the code been updated and new functions been added. ( My dll is a .net v4 (x86) ) I did a regasm /codebase /register /tlb *.dll and…
Gabor
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DataTable.ReadXml not working in comvisible library when called from Word VBA

I'm trying to de-serialize an xml string into a DataTable. When i call the code from .NET (WinForms project) the code works perfectly but if i call the code from Word VBA i get an exception saying "Value cannot be null." Just to be clear, my…
Kenneth Lauritsen
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How to access an excel Add-In String parameter from excel workbook VSTO

I tried following the examples on MSDN. I have a String parameter that i need to access from VB.Net VSTO Excel WorkBook. I have opened up ComVisible in the Add-In and declared my interface, and declared a class to expose the interface. The function…
Elias Andraos
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.net Com visible classes is unavaliable

I have write a library and need to make a Com-wrapper for it. regasm says what registration of com library is successful, then I am adding library to VBA references but methods and classes is unavailable. using System.Linq; using…
Alexey Kulikov
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