Microsoft.Practices.Prism.MefExtensions.Modularity.MefFileModuleTypeLoader.LoadModuleType C# (CSharp) Method

        public virtual void LoadModuleType(ModuleInfo moduleInfo)
        {
            if (moduleInfo == null)
            {
                throw new System.ArgumentNullException("moduleInfo");
            }

            try
            {
                Uri uri = new Uri(moduleInfo.Ref, UriKind.RelativeOrAbsolute);

                // If this module has already been downloaded, I fire the completed event.
                if (this.IsSuccessfullyDownloaded(uri))
                {
                    this.RaiseLoadModuleCompleted(moduleInfo, null);
                }
                else
                {
                    string path = moduleInfo.Ref.Substring(RefFilePrefix.Length + 1);

                    long fileSize = -1L;
                    if (File.Exists(path))
                    {
                        FileInfo fileInfo = new FileInfo(path);
                        fileSize = fileInfo.Length;
                    }

                    // Although this isn't asynchronous, nor expected to take very long, I raise progress changed for consistency.
                    this.RaiseModuleDownloadProgressChanged(moduleInfo, 0, fileSize);

                    this.aggregateCatalog.Catalogs.Add(new AssemblyCatalog(path));

                    // Although this isn't asynchronous, nor expected to take very long, I raise progress changed for consistency.
                    this.RaiseModuleDownloadProgressChanged(moduleInfo, fileSize, fileSize);

                    // I remember the downloaded URI.
                    this.RecordDownloadSuccess(uri);

                    this.RaiseLoadModuleCompleted(moduleInfo, null);
                }
            }
            catch (Exception ex)
            {
                this.RaiseLoadModuleCompleted(moduleInfo, ex);
            }
        }