protected void OnCollectionChanged(VirtualCollectionSourceChangedEventArgs e)
{
var handler = CollectionChanged;
if (handler != null)
{
handler(this, e);
}
}
private void HandleSourceCollectionChanged(object sender, VirtualCollectionSourceChangedEventArgs e)
{
if (e.ChangeType == ChangeType.Refresh)
{
Task.Factory.StartNew(UpdateData, CancellationToken.None,
TaskCreationOptions.None, _synchronizationContextScheduler);
}
else if (e.ChangeType == ChangeType.Reset)
{
Task.Factory.StartNew(Reset, CancellationToken.None,
TaskCreationOptions.None, _synchronizationContextScheduler);
}
}