/// <summary>
/// Gets the parent folder of the current file.
/// </summary>
/// <returns></returns>
public Task <StorageFolder> GetParentAsync()
{
#if WINDOWS_UWP || WINDOWS_APP
return(Task.Run <StorageFolder>(async() =>
{
var parent = await _file.GetParentAsync();
return parent == null ? null : parent;
}));
#elif __ANDROID__ || __UNIFIED__ || WIN32 || TIZEN
return(Task.Run <StorageFolder>(() =>
{
var parent = global::System.IO.Directory.GetParent(Path);
return parent == null ? null : new StorageFolder(parent.FullName);
}));
#elif WINDOWS_PHONE_APP || WINDOWS_PHONE
return(Task.Run <StorageFolder>(async() =>
{
var parentPath = global::System.IO.Path.GetPathRoot(Path.TrimEnd('\\'));
Windows.Storage.StorageFolder parent = null;
if (!string.IsNullOrEmpty(parentPath))
{
parent = await Windows.Storage.StorageFolder.GetFolderFromPathAsync(parentPath);
}
return parent == null ? null : parent;
}));
#else
throw new PlatformNotSupportedException();
#endif
}
private async Task <FileAccessPolyFill.StorageFolder> GetParentAsyncHelper()
{
var content = await _file.GetParentAsync();
return(new FileAccessPolyFill.StorageFolder(content));
}