private async Task NavigateBackAsync()
{
if (_currentFolder != null)
{
IOneDriveStorageFolder currentFolder = null;
Shell.Current.DisplayWaitRing = true;
try
{
if (!string.IsNullOrEmpty(_currentFolder.Path))
{
currentFolder = await _rootFolder.GetFolderAsync(_currentFolder.Path);
}
else
{
currentFolder = _rootFolder;
}
OneDriveItemsList.ItemsSource = currentFolder.GetItemsAsync();
_currentFolder = currentFolder;
}
catch (ServiceException ex)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(ex);
}
finally
{
Shell.Current.DisplayWaitRing = false;
}
}
}
private async Task NavigateToFolderAsync(IOneDriveStorageItem item)
{
if (item.IsFolder())
{
Shell.Current.DisplayWaitRing = true;
try
{
var currentFolder = await _currentFolder.GetFolderAsync(item.Name);
OneDriveItemsList.ItemsSource = currentFolder.GetItemsAsync();
_currentFolder = currentFolder;
}
catch (ServiceException ex)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(ex);
}
finally
{
Shell.Current.DisplayWaitRing = false;
}
}
}