You can specify absolute paths for the minecraft jars, and if you do not, they must be relative to the working directory. To specify a relative path for the natives directory, use something like .\This\Folder\Relative\To\Working\Dir
You can specify absolute paths for the minecraft jars, and if you do not, they must be relative to the working directory. To specify a relative path for the natives directory, use something like .\This\Folder\Relative\To\Working\Dir