protected override void LoadApplications(object sender, System.ComponentModel.DoWorkEventArgs e)
        {
            foreach (string key in new[] { InstalledApps32Bit, InstalledApps64Bit })
            {
                RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(key);

                if (registryKey == null)
                {
                    continue; // The InstalledApps64Bit registry key won't exist on 32 bit machines
                }
                for (int i = 0; i < registryKey.GetSubKeyNames().Length; i++)
                {
                    string subKey = registryKey.GetSubKeyNames()[i];

                    if (_loadWorker.CancellationPending)
                    {
                        e.Cancel = true;
                        return;
                    }

                    // Only care about steam applications (i.e. "Steam App 10143")
                    Match match = Regex.Match(subKey, "^Steam App ([0-9]*)");
                    if (!match.Success)
                    {
                        continue;
                    }

                    RegistryKey propertyKey = registryKey.OpenSubKey(subKey);
                    if (propertyKey == null)
                    {
                        continue;
                    }

                    string title = propertyKey.GetValue("DisplayName", null) as string;
                    string icon  = propertyKey.GetValue("DisplayIcon", null) as string;

                    if (title.IsNullOrWhiteSpace())
                    {
                        continue;
                    }

                    try
                    {
                        int appNumber = Int32.Parse(match.Groups[1].Value);

                        ApplicationModel     applicationModel = ApplicationModel.FromSteamApp(title, appNumber, icon, SelectedTab.Title);
                        ApplicationViewModel application      = new ApplicationViewModel(applicationModel);

                        // Ignore applications already added to the dock
                        if (!Tabs.Any(obj => obj.Applications.Contains(application)))
                        {
                            AddApplication(application);
                        }
                    }
                    catch (FileNotFoundException ex)
                    {
                        Log.DebugFormat("Failed to add steam application to search view - {0}", ex.Message);
                    }
                } // for
            }     // foreach
        }