Top "Com-interop" questions

COM interop is the layer that allows .NET assemblies to communicate with standard COM objects and libraries.

Is a COMException of 0x80040154 always 'Class not registered'?

Does a System.Runtime.InteropServices.COMException of 0x80040154 always mean that the class isn't registered? I'm getting a COMException which …

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warning MSB3391: <DLL> does not contain any types that can be unregistered for COM Interop

I've made a simple C# DLL (that's part of a much larger project) using VS2005. I need to use the …

c# visual-studio com-interop typelib comvisible
Why doesn't the office PIA install correctly to the GAC?

I am currently working on a c# project, where I need to access Outlook. The development is being done on …

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Excel get_Range missing when interop assembly is embedded in .NET 4.0

I build an assembly referencing a COM interop DLL. If I embed the COM interop types by setting Embed Interop …

.net excel interop .net-4.0 com-interop
COM Interop, RPC server is unavailable in c#

I am using a COM Interop and i am instantiating the COM class object from the interop dll So, few …

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Anatomy of a "Memory Leak"

In .NET perspective: What is a memory leak? How can you determine whether your application leaks? What are the effects? …

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Registering COM referenced DLLs on a build server

We're developing a C# application that references a few COM libraries (AutoIT for example). I am including all referenced components …

c# msbuild interop continuous-integration com-interop
Can't instantiate a COM object written in C# from VBA (VB6 ok)

Using VS 2008, here is my COM object using System; using System.Collections.Generic; using System.Text; using System.Runtime.InteropServices; …

c# .net vba com com-interop
Clean up Excel Interop Objects with IDisposable

In my company the common way to release Excel Interop Objects is to use IDisposable the following way: Public Sub …

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Visual Studio 2010: Embed Interop Types

I found some information about this on Scott Hanselmans Blog Does anybody exactly know what this mean? Is this only …

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