public static QueryData FromPtr(QueryDataPtr ptr)
        {
            var ret = new QueryData();

            ret.Name      = Marshal.PtrToStringAnsi(ptr.Name);
            ret.Namespace = Marshal.PtrToStringAnsi(ptr.Namespace);
            ret.Author    = Marshal.PtrToStringAnsi(ptr.Author);
            ret.Contact   = Marshal.PtrToStringAnsi(ptr.Contact);

            ret.Version = ptr.Version;

            var depstr = Marshal.PtrToStringAnsi(ptr.Dependencies);

            if (depstr != null)
            {
                ret.Dependencies = new List <string>();

                var parts = depstr.Split(',');

                foreach (var item in parts)
                {
                    ret.Dependencies.Add(item.Trim());
                }
            }

            return(ret);
        }
        static public List <ExtensionData> LoadAll(string path)
        {
            var files = System.IO.Directory.GetFiles(path, "*.dll", System.IO.SearchOption.TopDirectoryOnly);

            var ret = new List <ExtensionData>();

            foreach (var file in files)
            {
                var library = IntPtr.Zero;

                var current = new ExtensionData();

                try
                {
                    library = WindowsAPI.LoadLibrary(file);

                    var address = WindowsAPI.GetProcAddress(library, "SDR_Query");

                    if (address != IntPtr.Zero)
                    {
                        var function = Marshal.GetDelegateForFunctionPointer <SDR_Query>(address);

                        var result = new QueryDataPtr();
                        function(ref result);

                        var fileinfo = new System.IO.FileInfo(file);

                        current.RelativePath = file;
                        current.FileName     = fileinfo.Name;
                        current.Query        = QueryData.FromPtr(result);

                        ret.Add(current);
                    }
                }

                finally
                {
                    WindowsAPI.FreeLibrary(library);
                }
            }

            return(ret);
        }