private void sortDescriptors_CollectionChanged(
object sender,
NotifyCollectionChangedEventArgs e)
{
this.resetReason = CollectionResetReason.SortingChanged;
this.OnNotifyPropertyChanged("SortDescriptors");
}
private void source_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Batch || e.Action == NotifyCollectionChangedAction.Reset)
{
this.resetReason = CollectionResetReason.Refresh;
}
this.ProcessCollectionChanged(e);
}
protected virtual void OnNotifyPropertyChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "FilterExpression" || e.PropertyName == "Filter")
{
this.resetReason = CollectionResetReason.FilteringChanged;
}
if (this.PropertyChanged == null || this.update != 0)
{
return;
}
this.PropertyChanged((object)this, e);
}
/// <summary>
/// Raises the NotifyPropertyChanged event
/// </summary>
/// <param name="e"></param>
protected virtual void OnNotifyPropertyChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "FilterExpression" ||
e.PropertyName == "Filter")
{
this.resetReason = CollectionResetReason.FilteringChanged;
}
if (this.PropertyChanged != null && this.update == 0)
{
this.PropertyChanged(this, e);
}
}
public virtual bool MoveToPage(int pageIndex)
{
if (!this.CanChangePage || pageIndex < 0 || (pageIndex == this.PageIndex || pageIndex >= this.TotalPages) || (pageIndex * this.PageSize >= this.ItemCount || this.OnPageChanging(pageIndex)))
{
return(false);
}
this.isPageChanging = true;
this.currentPageIndex = pageIndex;
this.resetReason = CollectionResetReason.PagingChanged;
this.RefreshOverride();
this.isPageChanging = false;
this.OnPageChanged();
return(true);
}
protected virtual void OnCollectionChanged(NotifyCollectionChangedEventArgs args)
{
if (this.update == 0)
{
if (this.VersionUpdateNeeded(args))
{
this.version++;
}
if (this.CollectionChanged != null)
{
args.ResetReason = this.resetReason;
this.resetReason = CollectionResetReason.Refresh;
this.CollectionChanged(this, args);
}
}
}
protected virtual void OnCollectionChanged(NotifyCollectionChangedEventArgs args)
{
if (this.update != 0)
{
return;
}
if (this.VersionUpdateNeeded(args))
{
++this.version;
}
if (this.CollectionChanged == null)
{
return;
}
args.ResetReason = this.resetReason;
this.resetReason = CollectionResetReason.Refresh;
this.CollectionChanged((object)this, args);
}