/// <summary>
/// Starts collection of the given directory watcher and continues collecting all watchers
/// which require collecting.
/// </summary>
/// <param name="directoryWatcher">The directory watcher to start collecting with</param>
void CollectSequentially(DirectoryWatcher directoryWatcher)
{
// Bail out if we're already collecting. It will be picked up again later.
if (this.IsCollecting())
{
return;
}
// Set callback and start collecting
directoryWatcher.CollectingCompleted += directoryWatcher_CollectingCompleted;
directoryWatcher.Collect();
}
void directoryWatcher_CollectingCompleted(DirectoryWatcher directoryWatcher, int count)
{
// Remove callback
directoryWatcher.CollectingCompleted -= directoryWatcher_CollectingCompleted;
// Start watching
directoryWatcher.Start();
// Get next watcher to collect
var toCollect = DirectoryWatchers.FirstOrDefault(dw => dw.CollectionState == CollectionState.CollectionRequired);
if (toCollect != null)
{
CollectSequentially(toCollect);
}
}