// Must happen on the UI thread.
private IEnumerable <IOmniBoxItemsSource> CreateSources()
{
var settingsManager = new ShellSettingsManager(this.shellServiceProvider);
var settingsStore = settingsManager.GetReadOnlySettingsStore(SettingsScope.Configuration);
if (settingsStore.CollectionExists(QuickLaunchStoreName))
{
foreach (var searchProviderId in settingsStore.GetSubCollectionNames(QuickLaunchStoreName))
{
var collectionPath = $@"{QuickLaunchStoreName}\{searchProviderId}";
if (settingsStore.PropertyExists(collectionPath, PackageKeyName) &&
(settingsStore.GetPropertyType(collectionPath, PackageKeyName) == SettingsType.String))
{
var packageId = settingsStore.GetString(collectionPath, PackageKeyName);
if ((packageId != null) &&
Guid.TryParse(packageId, out var packageGuid) &&
Guid.TryParse(searchProviderId, out var searchProviderGuid))
{
var searchProvider = VsShellUtilities
.TryGetPackageExtensionPoint <IVsSearchProvider, IVsSearchProvider>(packageGuid, searchProviderGuid);
if ((searchProvider != null) && (searchProvider.Category.ToString() != MREProviderCategory))
{
yield return(new QuickLaunchItemsSource(searchProvider));
}
}
}
}
}
}