private async Task NavigateBackAsync()
{
if (_currentFolder != null)
{
IOneDriveStorageFolder currentFolder = null;
progressRing.IsActive = true;
try
{
if (!string.IsNullOrEmpty(_currentFolder.Path))
{
currentFolder = await _rootFolder.GetFolderAsync(_currentFolder.Path);
}
else
{
currentFolder = _rootFolder;
}
LstFolder.ItemsSource = await currentFolder.GetFoldersAsync();
_currentFolder = currentFolder;
}
catch (ServiceException ex)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(ex);
}
finally
{
progressRing.IsActive = false;
}
}
}
private async Task NavigateToFolderAsync(IOneDriveStorageItem item)
{
progressRing.IsActive = true;
try
{
var currentFolder = await _currentFolder.GetFolderAsync(item.Name);
var items = await currentFolder.GetFoldersAsync(100);
if (items.Count > 0)
{
LstFolder.ItemsSource = items;
_currentFolder = currentFolder;
}
}
catch (ServiceException ex)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(ex);
}
finally
{
progressRing.IsActive = false;
}
}