projectwindowpath.cs

        public static string GetCurrentPathOfProjectWindow()
        {
            Type projectWindowUtilType = typeof(ProjectWindowUtil);
            MethodInfo getActiveFolderPath = projectWindowUtilType.GetMethod("GetActiveFolderPath", BindingFlags.Static | BindingFlags.NonPublic);
            object obj = getActiveFolderPath.Invoke(null, new object[0]);
            return obj.ToString();
        }