Home/ Questions/Q 7723071
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-06-01T04:21:05+00:00

I’m not a a very experienced Windows developer, so I hope this all makes

  • 0

I’m not a a very experienced Windows developer, so I hope this all makes sense.

I created a Managed Assembly DLL using Visual Studio 2010. The DLL (Plip.dll) contains a C++ class that is using System.IO.SerialPort class to do some simple communication over a serial port.

In a second Visual Studio project I created a simple GUI that uses the class found in Plip.dll. In my GUI project I have the line : #using “Plip.dll” . In the Project Properties I set the ‘Resolve #using References’ value to the correct location of Plip.dll. The GUI builds just fine. If I copy the GUI.exe and Plip.dll to the same folder, the GUI runs just fine on my computer.

The problem I am having is that when I copy both files to a second computer, I cannot get the GUI executable to run. I get the following error : “System.IO.FileNotFoundException. Could not load file or assembly “Plip.dll” Vesion=…. “. I get this error even though both the exe and dll are located in the same folder.

Any suggestions on how to resolve this issue? Is there some option I need to set in my GUI project to load the DLL correctly at run time?

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    I suppose the problem is not the Plip.dll, but it’s dependencies.

    Use Dependency Walker on the second computer to see if it needs any other dll’s (they might be installed in System folder or in %PATH% on your development computer, but not on the other).

    If this second computer doesn’t have Visual Studio installed, you are probably missing Microsoft Visual C++ 2010 Redistributable Package (you need to install it on the other computer)

    Also make sure that you compile in Release because debug builds need debug dependencies.

    • 0