Top "Com" questions

Component Object Model (COM) is a component technology from Microsoft, featuring remoting, language independence and interface-based programming.

Class not registered Error

Running an application from Visual Studio 2012 on 64-bit computers, displays the following error message: Retrieving the COM class factory for …

dll visual-studio-2012 com 64-bit 32-bit
C# - How to add an Excel Worksheet programmatically - Office XP / 2003

I am just starting to fiddle with Excel via C# to be able to automate the creation, and addition to …

c# excel com office-interop worksheet
The #include<iostream> exists, but I get an error: identifier "cout" is undefined. Why?

I learn C++ and COM through the books. In the IDE MS Visual Studio 2012 I have created new empty C++ …

c++ visual-studio com visual-studio-2012
HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))

I am building a GIS Application but whenever I run the code it's giving me this error System.Runtime.InteropServices.…

c# .net windows com
BSTR to std::string (std::wstring) and vice versa

While working with COM in C++ the strings are usually of BSTR data type. Someone can use BSTR wrapper like …

c++ string com
How do I create an COM visible class in C#?

I using Visual Studio 2010 (.NET 4). I need to create a COM object (in C#) and have no idea how to …

visual-studio-2010 c#-4.0 com
Turn a simple C# DLL into a COM interop component

How do I make a C# DLL into a COM interop DLL that can be consumed by a VB6 application?

c# .net com interop com-interop
COM object that has been separated from its underlying RCW cannot be used

I have some COM component which I call from some c# dll. I also have a winforms app that uses …

c# winforms com interop multithreading
What does "Method '~' of object '~' failed" at runtime mean?

I'm trying to run a legacy VB6 application on my desktop (it doesn't have a user interface, being a command-line …

com vb6