|
private CreateFileQuery ( ) : |
||
| return | ||
private async void ReadAllFiles()
{
// Get the app's installation folder.
Windows.Storage.StorageFolder storageFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
// Get the files in the current folder.
StorageFileQueryResult results = storageFolder.CreateFileQuery();
// Iterate over the results and print the list of files
// to the Visual Studio Output window.
IReadOnlyList <StorageFile> filesInFolder = await results.GetFilesAsync();
foreach (StorageFile item in filesInFolder)
{
TextBlock tb = new TextBlock();
tb.Text = item.Name;
StackPanel sp = new StackPanel();
sp.Tag = item.Name;
sp.Orientation = Orientation.Vertical;
sp.Tapped += Sp_Tapped;
sp.Children.Add(tb);
outerWrapper.Children.Add(sp);
}
}
public async Task Initialize(ICamera camera, IStorage storage)
{
this.camera = camera;
this.storage = storage;
var cacheFolder = KnownFolders.PicturesLibrary;
this.dropFolder = await cacheFolder.GetFolderAsync("securitysystem-cameradrop");
this.dropFolderWatcher = dropFolder.CreateFileQuery();
var images = await this.dropFolderWatcher.GetFilesAsync();
var orderedImages = images.OrderByDescending(x => x.DateCreated);
this.newestImage = orderedImages.FirstOrDefault();
this.dropFolderWatcher.ContentsChanged += DropFolderWatcher_ContentsChanged;
this.allJoynBusAttachment = new AllJoynBusAttachment();
this.producer = new SecuritySystemProducer(this.allJoynBusAttachment);
this.allJoynBusAttachment.AboutData.DefaultAppName = Package.Current.DisplayName;
this.allJoynBusAttachment.AboutData.DefaultDescription = Package.Current.Description;
this.allJoynBusAttachment.AboutData.DefaultManufacturer = Package.Current.Id.Publisher;
this.allJoynBusAttachment.AboutData.SoftwareVersion = Package.Current.Id.Version.ToString();
this.allJoynBusAttachment.AboutData.IsEnabled = true;
this.producer.Service = this;
this.producer.Start();
}
public async Task <StorageFile> GetFile(string filename)
{
StorageFile file = null;
// Access variable for the local storage system, where we're going to store the Student records.
Windows.Storage.StorageFolder localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
// Get the files available from the localFolder
Windows.Storage.Search.StorageFileQueryResult fileResults = localFolder.CreateFileQuery();
// Get the list of files from the query against the localFolder
var fileList = await fileResults.GetFilesAsync();
// Look for our file in the results.
file = fileList.SingleOrDefault(f => f.Name == filename);
return(file);
}
public static async Task<double> GetFolderSize(StorageFolder folder)
{
// Query all files in the folder. Make sure to add the CommonFileQuery
// So that it goes through all sub-folders as well
var folders = folder.CreateFileQuery(CommonFileQuery.OrderByName);
// Await the query, then for each file create a new Task which gets the size
var fileSizeTasks = (await folders.GetFilesAsync()).Select(async file => (await file.GetBasicPropertiesAsync()).Size);
// Wait for all of these tasks to complete. WhenAll thankfully returns each result
// as a whole list
var sizes = await Task.WhenAll(fileSizeTasks);
// Sum all of them up. You have to convert it to a long because Sum does not accept ulong.
var folderSize = sizes.Sum(l => (long)l);
return folderSize;
}
private async void AddFile_Click(object sender, RoutedEventArgs e)
{
var FileToCreateName = Filename.Text.ToString();
if (FileToCreateName.Length < 3)
{
("File name is too short. Min. 3 characters.").Show();
return;
}
// van-e már ilyen file?
Windows.Storage.StorageFolder storageFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
StorageFileQueryResult results = storageFolder.CreateFileQuery();
IReadOnlyList <StorageFile> filesInFolder = await results.GetFilesAsync();
bool van = false;
foreach (StorageFile item in filesInFolder)
{
if (item.Name == FileToCreateName)
{
van = true;
}
}
if (van)
{
"Error: there is a file with the same name.".Show();
return;
}
// Create sample file; replace if exists.
// Windows.Storage.StorageFolder storageFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
Windows.Storage.StorageFile sampleFile = await storageFolder.CreateFileAsync(FileToCreateName, Windows.Storage.CreationCollisionOption.ReplaceExisting);
("File created successfully.").Show();
}
private static async Task<IReadOnlyList<StorageFile>> GetMediaFromFolder(StorageFolder folder,
CommonFileQuery query)
{
IReadOnlyList<StorageFile> files = null;
StorageFileQueryResult fileQuery;
var queryOptions = new QueryOptions(query,
new List<string>
{
".3g2",
".3gp",
".3gp2",
".3gpp",
".amv",
".asf",
".avi",
".divx",
".drc",
".dv",
".f4v",
".flv",
".gvi",
".gxf",
".ismv",
".iso",
".m1v",
".m2v",
".m2t",
".m2ts",
".m3u8",
".mkv",
".mov",
".mp2",
".mp2v",
".mp4",
".mp4v",
".mpe",
".mpeg",
".mpeg1",
".mpeg2",
".mpeg4",
".mpg",
".mpv2",
".mts",
".mtv",
".mxf",
".mxg",
".nsv",
".nut",
".nuv",
".ogm",
".ogv",
".ogx",
".ps",
".rec",
".rm",
".rmvb",
".tob",
".ts",
".tts",
".vob",
".vro",
".webm",
".wm",
".wmv",
".wtv",
".xesc",
});
try
{
fileQuery = folder.CreateFileQueryWithOptions(queryOptions);
files = await fileQuery.GetFilesAsync();
}
catch (Exception ex)
{
Debug.WriteLine("exception listing files");
Debug.WriteLine(ex.ToString());
}
// DLNA folders don't support advanced file listings, us a basic file query
if (files == null)
{
fileQuery = folder.CreateFileQuery(CommonFileQuery.OrderByName);
files = await fileQuery.GetFilesAsync();
}
return files;
}
