가장 좋은 방법은 UWP의 모든 하위 폴더와 파일을 표시합니다.
이 요구 사항의 경우 다음 그림과 같이 비교적 완전한 모델을 만들어야합니다.
은 위의 재귀 모델이며, 나는 그것을 일치하는 클래스를 만들 수 있습니다. 당신이 ListView
에 하나 개의 폴더에, 당신은 추상적 목록보기 항목으로 그들을 컨버터에 필요한 폴더와 파일을 표시하려면
public class Folder
{
public string FolderName { get; set; }
private ObservableCollection<File> _subFiles;
public ObservableCollection<File> SubFiles
{
get { return _subFiles ?? (_subFiles = new ObservableCollection<File>()); }
set
{
_subFiles = value;
}
}
private ObservableCollection<Folder> _subFolder;
public ObservableCollection<Folder> SubFolders
{
get { return _subFolder ?? (_subFolder = new ObservableCollection<Folder>()); }
set
{
_subFolder = value;
}
}
public Folder()
{
}
}
public class File
{
public string FileName { get; set; }
}
당신은, 아시다시피.
public class Item
{
public string ItemName { get; set; }
public ItemType IType { get; set; }
}
public enum ItemType
{
File,
Folder
}
사용
FolderService.cs
public class FolderService
{
// private Folder FolderModel;
public async static Task<Folder> GetFolderInfoAsync(StorageFolder SelectFolder)
{
var FolderModel = new Folder();
FolderModel.FolderName = SelectFolder.Name;
IReadOnlyList<StorageFile> fileList = await SelectFolder?.GetFilesAsync();
foreach (StorageFile file in fileList)
{
var subFile = new File();
subFile.FileName = file.Name;
FolderModel.SubFiles.Add(subFile);
}
IReadOnlyList<StorageFolder> folderList = await SelectFolder?.GetFoldersAsync();
foreach (StorageFolder folder in folderList)
{
var subFolder = new Folder();
subFolder.FolderName = folder.Name;
FolderModel.SubFolders.Add(subFolder);
}
return FolderModel;
}
public async static Task<ObservableCollection<Item>>GetItems(StorageFolder SelectFolder)
{
var Model = await GetFolderInfoAsync(SelectFolder);
var Items = new ObservableCollection<Item>();
foreach (var file in Model.SubFiles)
{
var item = new Item
{
ItemName = file.FileName,
IType = ItemType.File
};
Items.Add(item);
}
foreach (var folder in Model.SubFolders)
{
var item = new Item
{
ItemName = folder.FolderName,
IType = ItemType.Folder
};
Items.Add(item);
}
return Items;
}
}
ManPageViewModel.cs
public class MainViewModel : INotifyPropertyChanged
{
public MainViewModel()
{
}
public Command PickCommand => new Command(() => this.BtnClick());
private async void BtnClick()
{
StorageFolder Selectfolder = ApplicationData.Current.LocalFolder;
this.Items = await FolderService.GetItems(Selectfolder);
}
private ObservableCollection<Item> _items;
public event PropertyChangedEventHandler PropertyChanged;
public void OnPropertyChanged([CallerMemberName] string PropertyName = null)
{
this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(PropertyName));
}
public ObservableCollection<Item> Items
{
get { return _items; }
set
{
_items = value;
OnPropertyChanged();
}
}
}