The solution file encloses all the necessary files to review, debug, modify and compile add-ins solutions.
Use the GN4 Visual Studio Express solution file to load all GN4 add-ins at once and to be ready for compiling.
The GN4 Visual Studio Express solution file name is GN4AddInsExpress.sln and it is found in the root of the SRC folder.
Note
If your PC is set not to show extension, the file you will see is GN4AddInsExpress.
See also