protected void OnItemsChanged(object sender, ItemChangedEventArgs e)
{
if (e.ChangeType != ItemChangeType.ItemChanged)
this.Enabled = CollectionUtils.Contains<RetrieveProgressResult>(this.Context.Items, delegate(RetrieveProgressResult result)
{
return result.Status == RetrieveStatus.Error ||
result.Status == RetrieveStatus.Completed ||
result.Status == RetrieveStatus.Canceled;
});
}
private void OnItemsChanged(object sender, ItemChangedEventArgs e)
{
if (e.ChangeType == ItemChangeType.ItemChanged)
this.UpdateEnabled();
}