// https://docs.microsoft.com/en-us/uwp/api/windows.storage.search.istoragequeryresultbase
// https://docs.microsoft.com/en-us/uwp/api/windows.storage.search.storageitemqueryresult
// https://docs.microsoft.com/en-us/uwp/api/windows.storage.istorageitem
private async void OnAppDataChanged(Windows.Storage.Search.IStorageQueryResultBase sender, object args)
{
FileSystemWatcherObject o = new FileSystemWatcherObject(storageFolder.DisplayName, GetPath(), TargetType.Folder);
Event?.Invoke(FileSystemWatcherEventArgs.CreateContentChangedEvent(o));
var newFileList = await query.GetItemsAsync();
DiffSet diffSet = await Diff(oldFileList, newFileList);
oldFileList = newFileList;
foreach (IStorageItem file in diffSet.Added)
{
o = new FileSystemWatcherObject(file.Name, file.Path, (file.IsOfType(StorageItemTypes.Folder) ? TargetType.Folder : TargetType.File));
Event?.Invoke(FileSystemWatcherEventArgs.CreateCreatedEvent(o));
}
foreach (IStorageItem file in diffSet.Deleted)
{
o = new FileSystemWatcherObject(file.Name, file.Path, (file.IsOfType(StorageItemTypes.Folder) ? TargetType.Folder : TargetType.File));
Event?.Invoke(FileSystemWatcherEventArgs.CreateDeletedEvent(o));
}
foreach (IStorageItem file in diffSet.Changed)
{
o = new FileSystemWatcherObject(file.Name, file.Path, (file.IsOfType(StorageItemTypes.Folder) ? TargetType.Folder : TargetType.File));
Event?.Invoke(FileSystemWatcherEventArgs.CreateChangedEvent(o));
}
}
private async void FileTracker_FilesChanged(Windows.Storage.Search.IStorageQueryResultBase sender, object e)
{
changing++;
var capture = changing;
await Task.Delay(15000);
if (capture != changing)
{
return;
}
await FilesChangedAsync();
}
void QueryContentsChanged(Windows.Storage.Search.IStorageQueryResultBase sender, object args)
{
FilesChanged?.Invoke(this, EventArgs.Empty);
}