ZeroInstall.Publish.Capture.SnapshotDiff.CollectFileAssocsEx C# (CSharp) Method

        private static void CollectFileAssocsEx([NotNull] RegistryKey capsKey, [NotNull] CapabilityList capabilities)
        {
            #region Sanity checks
            if (capsKey == null) throw new ArgumentNullException(nameof(capsKey));
            if (capabilities == null) throw new ArgumentNullException(nameof(capabilities));
            #endregion

            using (var fileAssocKey = capsKey.OpenSubKey(DesktopIntegration.Windows.AppRegistration.RegSubKeyFileAssocs))
            {
                if (fileAssocKey == null) return;

                foreach (string extension in fileAssocKey.GetValueNames())
                {
                    var progID = fileAssocKey.GetValue(extension, "") as string;
                    if (!string.IsNullOrEmpty(progID)) AddExtensionToFileType(extension, progID, capabilities);
                }
            }
        }