I have a custom dll (not registered) that I need to access via c#. How do I do this without registering the DLL?
Edit: It is a C++ dll.
To unregister a dll: Go to Start button and select Run. In the run box, type the command regsvr32 /u "path to the dll to be registered". i.e. "regsvr32 /u c:windowssystem32thisismy.dll"
How to Register and Unregister a DLL or ActiveX controls using Regsvr32.exe Regsvr32.exe is a program that you can use to register and unregister dynamic-link libraries (DLLs) and ActiveX controls (formerly called OLE Custom Controls) in the registry. Regsvr32.exe is installed in the System folder.
Here is a guide: 1 Press Win+R to open Run. 2 Type the reg DLL command: regsvr32 “ [the path of the DLL file]”. The following is an example: 3 Click OK to execute the reg DLL command. 4 You will receive a confirmation message once the DLL file has been successfully registered. More ...
If you encounter a DLL error when you want to open a program on Windows, you might need to register a DLL file to solve the issue. Do you know how to fix unable to load DLL or failed to load DLL?
See Registration-Free COM Interop:
Registration-free COM interop activates a component without using the Windows registry to store assembly information. Instead of registering a component on a computer during deployment, you create Win32-style manifest files at design time that contain information about binding and activation. These manifest files, rather than registry keys, direct the activation of an object.
Using registration-free activation for your assemblies instead of registering them during deployment offers two advantages:
- You can control which DLL version is activated when more than one version is installed on a computer.
- End users can use XCOPY or FTP to copy your application to an appropriate directory on their computer. The application can then be run from that directory.
I assume you want to use the functions exported from this dll via P/Invoke? If so, you only need to copy the dll to the same folder as your exe file. Then write C# declarations for the functions in the C++ dll that you want to use. See DllImportAttribute.
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