public async Task <String> carpeta()
{
StorageFolder picturesFolder = KnownFolders.PicturesLibrary;
StorageFolderQueryResult queryResult =
picturesFolder.CreateFolderQuery(CommonFolderQuery.GroupByMonth);
IReadOnlyList <StorageFolder> folderList =
await queryResult.GetFoldersAsync();
StringBuilder outputText = new StringBuilder();
foreach (StorageFolder folder in folderList)
{
IReadOnlyList <StorageFile> fileList = await folder.GetFilesAsync();
// Print the month and number of files in this group.
outputText.AppendLine(folder.Name + " (" + fileList.Count + ")");
foreach (StorageFile file in fileList)
{
// Print the name of the file.
outputText.AppendLine(" " + file.Name);
}
}
return(Convert.ToString(outputText));
}
public async void playMedia(string mediaType, string videoName)
{
mediaPlayerElement.Source = null;
StorageFolder chosenFolder = null;
if (mediaType == "video")
{
chosenFolder = KnownFolders.VideosLibrary;
}
else if (mediaType == "music")
{
chosenFolder = KnownFolders.MusicLibrary;
}
StorageFolderQueryResult queryResult = chosenFolder.CreateFolderQuery(Windows.Storage.Search.CommonFolderQuery.GroupByMonth);
IReadOnlyList <StorageFolder> folderList = await queryResult.GetFoldersAsync();
foreach (StorageFolder folder in folderList)
{
IReadOnlyList <StorageFile> fileList = await folder.GetFilesAsync();
foreach (StorageFile file in fileList)
{
if (file.Name.StartsWith(videoName))
{
this.mediaPlayerElement.MediaPlayer.Source = MediaSource.CreateFromStorageFile(file);
this.mediaPlayerElement.MediaPlayer.Play();
}
}
}
}
// 分组文件夹
private async void btnFolderGroup_Click(object sender, RoutedEventArgs e)
{
lblMsg.Text = "";
StorageFolder picturesFolder = await KnownFolders.GetFolderForUserAsync(null, KnownFolderId.PicturesLibrary);
// 文件夹按月分组查询参数，其他多种分组方式请参见 CommonFolderQuery 枚举
CommonFolderQuery folderQuery = CommonFolderQuery.GroupByMonth;
// 判断一下 picturesFolder 是否支持指定的查询参数
if (picturesFolder.IsCommonFolderQuerySupported(folderQuery))
{
// 创建查询
StorageFolderQueryResult queryResult = picturesFolder.CreateFolderQuery(folderQuery);
// 执行查询
IReadOnlyList <StorageFolder> folderList = await queryResult.GetFoldersAsync();
foreach (StorageFolder storageFolder in folderList) // 这里的 storageFolder 就是按月份分组后的月份文件夹（当然，物理上并没有月份文件夹）
{
IReadOnlyList <StorageFile> fileList = await storageFolder.GetFilesAsync();
lblMsg.Text += storageFolder.Name + " (" + fileList.Count + ")";
lblMsg.Text += Environment.NewLine;
foreach (StorageFile file in fileList) // 月份文件夹内的文件
{
lblMsg.Text += " " + file.Name;
lblMsg.Text += Environment.NewLine;
}
}
}
}
private async void Button_Click3(object sender, RoutedEventArgs e)
{
StorageFolder picturesFolder = KnownFolders.PicturesLibrary;
StorageFolderQueryResult queryResult = picturesFolder.CreateFolderQuery(CommonFolderQuery.GroupByMonth);
IReadOnlyList <StorageFolder> folderList = await queryResult.GetFoldersAsync();
StringBuilder outputText = new StringBuilder();
foreach (StorageFolder folder in folderList)
{
IReadOnlyList <StorageFile> fileList = await folder.GetFilesAsync();
// Print the month and number of files in this group.
outputText.AppendLine(folder.Name + " (" + fileList.Count + ")");
foreach (StorageFile file in fileList)
{
// Print the name of the file.
outputText.AppendLine(" " + file.Name);
}
}
MyText.Text = outputText.ToString() + "\nPath:==" + picturesFolder.Path;
}
public async Task updatePhraseLists(string mediaType)
{
try
{
// Update the video phrase list, so that Cortana voice commands can use videos found in system.
//Adapted from Miscrosoft docs: https://docs.microsoft.com/en-us/cortana/voicecommands/dynamically-modify-voice-command-definition-vcd-phrase-lists
VoiceCommandDefinition commandDefinitions;
StorageFolder videoFolder = null;
switch (mediaType)
{
case "video":
videoFolder = KnownFolders.VideosLibrary;
break;
case "music":
videoFolder = KnownFolders.MusicLibrary;
break;
}
if (VoiceCommandDefinitionManager.InstalledCommandDefinitions.TryGetValue("ProjectCommandSet_en-us", out commandDefinitions))
{
StorageFolderQueryResult queryResult = videoFolder.CreateFolderQuery(Windows.Storage.Search.CommonFolderQuery.GroupByMonth);
IReadOnlyList <StorageFolder> folderList = await queryResult.GetFoldersAsync();
List <string> namesList = new List <string>();
foreach (StorageFolder folder in folderList)
{
IReadOnlyList <StorageFile> fileList = await folder.GetFilesAsync();
foreach (StorageFile file in fileList)
{
namesList.Add(Path.GetFileNameWithoutExtension(file.Name));
}
}
//add video names to phraselist
await commandDefinitions.SetPhraseListAsync(mediaType, namesList);
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Error updating Phrase list for VCDs: " + ex.ToString());
}
}
private async void ApplyFilter(object sender, RoutedEventArgs e)
{
if (canAddFilter == false)
{
return;
}
StorageFolder assetsFolder = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync("Assets");
StorageFolderQueryResult results = assetsFolder.CreateFolderQuery();
IReadOnlyList <StorageFolder> folders = await results.GetFoldersAsync();
StorageFolder filterFolder = folders.Where(fol => fol.DisplayName == "Filters").First();
filters = await filterFolder.GetFilesAsync();
/*Debug.WriteLine("Displaying Folder");
* Debug.WriteLine(filterFolder.DisplayName);
*
* Debug.WriteLine("Displaying filter names");
*
* foreach (StorageFile fil in filters)
* {
* Debug.WriteLine(fil.DisplayName);
* }*/
Image filter = new Image();
filter.VerticalAlignment = VerticalAlignment.Center;
filter.HorizontalAlignment = HorizontalAlignment.Center;
BitmapImage bm = new BitmapImage(new Uri(filters[0].Path));
filter.Source = bm;
Canvas.SetZIndex(filter, 1);
this.renderTarget.Children.Add(filter);
currentFilter = filter;
filterCount++;
canAddFilter = (filterCount == 5) ? !canAddFilter : canAddFilter;
if (canAddFilter == false)
{
Debug.WriteLine("Cannot apply filter");
}
}
async Task LoadImagesFromDisk(StorageFolder currentFolder)
{
if (currentFolder.Name == "Cloud")
{
return;
}
var subFolderQuery = currentFolder.CreateFolderQuery();
var folders = await subFolderQuery.GetFoldersAsync();
//Get the files out of the current folder
await processImageFiles(currentFolder);
//Find any sub folders
foreach (var folder in folders)
{
await LoadImagesFromDisk(folder);
}
}
async public static void copyFolder(StorageFolder from, StorageFolder _to)
{
StorageFolder to = await _to.CreateFolderAsync(from.Name, CreationCollisionOption.OpenIfExists);
IReadOnlyList <StorageFile> storageFiles = await from.GetFilesAsync();
foreach (var storageFile in storageFiles)
{
await storageFile.CopyAsync(to, storageFile.Name, NameCollisionOption.ReplaceExisting);
}
//IReadOnlyList<StorageFolder> storageFolders = await from.GetFoldersAsync();
var queryResult = from.CreateFolderQuery();
IReadOnlyList <StorageFolder> storageFolders = await queryResult.GetFoldersAsync();
foreach (var storageFolder in storageFolders)
{
copyFolder(storageFolder, to);
}
}
//按月分组，每个虚拟文件夹都表示一组具有相同月份的文件。
async public void selectfilesbymonth()
{
StorageFolder sf = KnownFolders.PicturesLibrary;
StorageFolderQueryResult queryResult = sf.CreateFolderQuery(CommonFolderQuery.GroupByMonth);
IReadOnlyList <StorageFolder> folderList = await queryResult.GetFoldersAsync();
StringBuilder stringBuilder = new StringBuilder();
foreach (StorageFolder folder in folderList)
{
IReadOnlyList <StorageFile> storageFiles = await folder.GetFilesAsync();
stringBuilder.AppendLine(folder.Name + "(" + storageFiles.Count + ")");
foreach (StorageFile file in storageFiles)
{
stringBuilder.AppendLine(" " + file.Name);
}
}
outputtextblock3.Text = stringBuilder.ToString();
}
private async Task <int> GetNumInFolder(StorageFolder folder)
{
int total = 0;
var foldersQuery = folder.CreateFolderQuery();
var listOfFolders = await foldersQuery.GetFoldersAsync();
total += listOfFolders.Count;
// get the num of folders
// find mp4, wma, avi vedios
var filesQueryOptions = new Windows.Storage.Search.QueryOptions();
filesQueryOptions.FileTypeFilter.Add(".mp4");
filesQueryOptions.FileTypeFilter.Add(".wma");
filesQueryOptions.FileTypeFilter.Add(".avi");
var listOfVideos = await folder.CreateFileQueryWithOptions(filesQueryOptions).GetFilesAsync();
total += listOfVideos.Count;
// get the num of videos
return(total);
}
public async void polulateListBox(string mediaType)
{
StorageFolder chosenFolder = null;
if (mediaType == "videos")
{
chosenFolder = KnownFolders.VideosLibrary;
}
else if (mediaType == "music")
{
chosenFolder = KnownFolders.MusicLibrary;
}
StorageFolderQueryResult queryResult = chosenFolder.CreateFolderQuery(Windows.Storage.Search.CommonFolderQuery.GroupByAlbumArtist);
IReadOnlyList <StorageFolder> tempFolderList = await queryResult.GetFoldersAsync();
//clear fileList before populating
fileList.Clear();
mySpiltView.IsPaneOpen = true;
foreach (StorageFolder folder in tempFolderList)
{
//create tempfileList for reading
IReadOnlyList <StorageFile> tempFileList = await folder.GetFilesAsync();
foreach (StorageFile file in tempFileList)
{
//add to mediaListBox for displaying to user
mediaListBox.Items.Add(Path.GetFileNameWithoutExtension(file.Name));
//add to fileList for playing after selection
fileList.Add(file);
}
}
}
private async void GetThumbnailButton_Click(object sender, RoutedEventArgs e)
{
rootPage.ResetOutput(ThumbnailImage, OutputTextBlock, OutputDetails);
// Pick a folder
FolderPicker folderPicker = new FolderPicker();
foreach (string extension in FileExtensions.Image)
{
folderPicker.FileTypeFilter.Add(extension);
}
StorageFolder folder = await folderPicker.PickSingleFolderAsync();
if (folder != null)
{
const CommonFolderQuery monthShape = CommonFolderQuery.GroupByMonth;
// Verify queries are supported because they are not supported in all picked locations.
if (folder.IsCommonFolderQuerySupported(monthShape))
{
// Convert folder to file group and query for items
IReadOnlyList <StorageFolder> months = await folder.CreateFolderQuery(monthShape).GetFoldersAsync();
if (months != null && months.Count > 0)
{
const ThumbnailMode thumbnailMode = ThumbnailMode.PicturesView;
const uint size = 200;
StorageFolder firstMonth = months[0];
using (StorageItemThumbnail thumbnail = await firstMonth.GetThumbnailAsync(thumbnailMode, size))
{
if (thumbnail != null)
{
MainPage.DisplayResult(ThumbnailImage, OutputTextBlock, thumbnailMode.ToString(), size, firstMonth, thumbnail, true);
// Also display the hierarchy of the file group to better visualize where the thumbnail comes from
IReadOnlyList <StorageFile> files = await firstMonth.GetFilesAsync();
if (files != null)
{
StringBuilder output = new StringBuilder("\nList of files in this group:\n\n");
foreach (StorageFile file in files)
{
output.AppendFormat("{0}\n", file.Name);
}
OutputDetails.Text = output.ToString();
}
}
else
{
rootPage.NotifyUser(Errors.NoImages, NotifyType.StatusMessage);
}
}
}
else
{
rootPage.NotifyUser(Errors.FileGroupEmpty, NotifyType.StatusMessage);
}
}
else
{
rootPage.NotifyUser(Errors.FileGroupLocation, NotifyType.StatusMessage);
}
}
else
{
rootPage.NotifyUser(Errors.Cancel, NotifyType.StatusMessage);
}
}
