public void InitializeFolderSystemOnce()
{
if (_initialized)
{
return;
}
_folderSystem.Initialize();
_initialized = true;
}
private void Initialize()
{
// check already initialized, or initialization in progress
if (_initializationState != InitializationState.NotInitialized)
{
return;
}
_initializationState = InitializationState.Initializing;
Async.Invoke(this,
() => _folderSystem.Initialize(),
delegate
{
// subscribe to events
_folderSystem.Folders.ItemAdded += FolderAddedEventHandler;
_folderSystem.Folders.ItemRemoved += FolderRemovedEventHandler;
_folderSystem.FoldersChanged += FoldersChangedEventHandler;
_folderSystem.FoldersInvalidated += FoldersInvalidatedEventHandler;
_folderSystem.FolderPropertiesChanged += FolderPropertiesChangedEventHandler;
// build the initial folder tree, but do not udpate it, as this will be done on demand
// when this folder system is selected
BuildFolderTree();
// this timer is responsible for monitoring the auto-invalidation of all folders
// in the folder system, and performing the appropriate invalidations
// bug #6909: increase timer interval from 1 sec to 10 seconds, to reduce lockup issues when time provider can't access network
_folderInvalidateTimer = new Timer(delegate { AutoInvalidateFolders(); })
{
IntervalMilliseconds = 10000
};
_folderInvalidateTimer.Start();
// notify that this folder system is now initialized
_initializationState = InitializationState.Initialized;
EventsHelper.Fire(_intialized, this, EventArgs.Empty);
});
}