Top "Interop" questions

Entry Point Not Found Exception

I'm trying to use a C++ unmanaged dll in a C# project and I'm getting an error when trying to …

c# interop pinvoke

Can I overlay a WPF window on top of another?

I have a WPF window, which contains a WindowsFormsHost element. I need to draw things on top of this element, …

.net wpf interop windowsformshost

How to check, programmatically, if MS Excel exists on a pc?

I have an application that needs MS Excel to run, otherwise it crashes. So I want to check and warn …

c# winforms excel interop

Java and C# interoperability

I have two programs. One is in C# and another one in Java. Those programs will, most probably, always run …

c# java interop

What is the difference between AxInterop and Interop?

I've added an .ocx to the toolbox in VS. Two .dll's were created: Interop.NNN.dll, AxInterop.NNN.dll. What …

.net com interop activex ocx

Git as mercurial client? Why no git-hg?

This is a question that's been bothering me for a while. I've done my homework and checked stackoverflow and found …

git mercurial interop

Cannot implicitly convert type 'object' to 'Microsoft.Office.Interop.Excel.Worksheet'. An explicit conversion exists (are you missing a cast?)

Here I'm opening excel and writing to excel sheet. I'm changing my windows application to asp website and seen this …

c# .net excel interop excel-interop

Can not add reference a COM in COM client?

A COM server is create and I registerd that. When I am trying to add that COM server in a …

c# com interop com-interop

Convert Interface IDL file to C#

I have an interface defined in an IDL file that I would like to use in C#. Is there a …

c# interop interface idl

c++/cli pass (managed) delegate to unmanaged code

How do I pass a function pointer from managed C++ (C++/CLI) to an unmanaged method? I read a few …

delegates c++-cli interop function-pointers