To debug into your C++ DLL you need to enable mixed mode debugging on the startup application in your solution.
Right click on project -> Properties
Go to Debug Tab
Check "Enable unmanaged code debugging"
This will allow you to debug into native code for an F5 style scenario. If you want to enable it for attaching to the process then do the following in the "Attach to Process" Dialog
Select the process to debug
Click on the "Select ..." button above the process list
To debug into your C++ DLL you need to enable mixed mode debugging on the startup application in your solution.
This will allow you to debug into native code for an F5 style scenario. If you want to enable it for attaching to the process then do the following in the "Attach to Process" Dialog
https://stackoverflow.com/questions/1744888/cannot-debug-unmanaged-dll-from-c-sharp