protected virtual async void OnCurrentItemChanged(object sender, AsyncEventArgs e)
{
using (e.Defer())
{
await this.Refresh().ConfigureAwait(false);
}
}
protected virtual async void OnPositionChanged(object sender, AsyncEventArgs e)
{
using (e.Defer())
{
await Windows.Invoke(() =>
{
if (this.PositionChanged != null)
{
this.PositionChanged(sender, e);
}
this.OnPropertyChanged("Position");
}).ConfigureAwait(false);
}
}
protected virtual async void OnFaulted(object sender, AsyncEventArgs e)
{
using (e.Defer())
{
var backgroundTask = sender as IBackgroundTask;
if (backgroundTask.Exception is AggregateException)
{
foreach (var innerException in (backgroundTask.Exception as AggregateException).InnerExceptions)
{
await this.Add(new ComponentError(backgroundTask, innerException.Message, innerException)).ConfigureAwait(false);
}
}
else
{
await this.Add(new ComponentError(backgroundTask, backgroundTask.Exception.Message, backgroundTask.Exception)).ConfigureAwait(false);
}
}
}
