static void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e, ListView parent) { if (parent != null) { GetCurrentSortColumn(parent).Sort(); } }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { for (var i = 0; i < ListBox.ItemContainerGenerator.Items.Count; i++) { try { var element = (FrameworkElement)ListBox.ItemContainerGenerator.ContainerFromIndex(i); if (element == null) { continue; } object found; found = WpfTreeUtilities.FindVisualChild <StackPanel>(element).FindName("Number"); var textBlock = found as TextBlock; if (textBlock == null) { continue; } var bindingExpression = BindingOperations.GetMultiBindingExpression(textBlock, TextBlock.TextProperty); bindingExpression?.UpdateTarget(); } catch (Exception ex) { Debug.WriteLine("Oh no " + ex); } } }
protected override void OnItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) { switch (args.Action) { case NotifyCollectionChangedAction.Remove: System.Diagnostics.Debug.Assert(args.ItemUICount <= 1); if (args.ItemUICount > 0) { OnChildRemoved(args.Position.Index); } break; } if (args.Action == NotifyCollectionChangedAction.Move) { // We need to temporarily save the offsets because the base implementation // doesn't always respect 'Move' System.Diagnostics.Debug.Assert(args.ItemUICount == 1); var oldIndex = args.OldPosition.Index + args.OldPosition.Offset; var newIndex = args.Position.Index + args.Position.Offset; var child = InternalChildren[oldIndex]; _movedItemOffsets[newIndex] = VisualTreeHelper.GetOffset(child); } base.OnItemsChanged(sender, args); }
void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { if (e.Action == NotifyCollectionChangedAction.Add) { //Messages.ScrollToBottom(); } }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { if (AssociatedObject.Items.Any()) { AssociatedObject.ScrollIntoView(AssociatedObject.Items[AssociatedObject.Items.Count - 1]); } }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { if (_scrollViewer == null) { _scrollViewer = VisualHelper.GetChild <ScrollViewer>(ListBoxChat); } _scrollViewer?.ScrollToBottom(); }
private void listView_ItemUpdated(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { canvas123.Children.Clear(); foreach (Dogadjaj d in listaDog) { canvasCreated(d); } }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { if (e == null) { throw new ArgumentNullException(nameof(e)); } this.VisibleItemsList = this.ItemContainerGenerator.Items; VisibleItemListChanged?.Invoke(VisibleItemsList); }
private void OnItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { if (0 < this.AssociatedObject.Items.Count) { if (this.AssociatedObject.RowDetailsTemplate == null && this.HasRowDetails) { this.CreateDataGridRowDetailsTemplate(); } } }
public static async Task Add(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { var itemsControl = sender as ItemsControl; if (itemsControl == null) { return; } //最上位への追加でない場合リターン if (e.Position.Index > 0) { return; } ScrollViewer scrollViewer = null; var controlTemplate = itemsControl.Template; if (controlTemplate != null) { scrollViewer = controlTemplate.FindName("ScrollViewer", itemsControl) as ScrollViewer; } if (scrollViewer != null) { var height = scrollViewer.ExtentHeight; var verticalOffset = ScrollViewerBehavior.GetVerticalOffset(scrollViewer); var type = GetAddingScroll(itemsControl); //少しでもスクロールされている場合、その表示内容が同じ位置に来るように再計算 if (type == Types.Timeline && verticalOffset != 0 || type == Types.Statuses) { await Task.Run(() => { for (int i = 0; i < 3000; i++) { //描画されるまで最大3秒待つ if (height != scrollViewer.ExtentHeight) { break; } System.Threading.Thread.Sleep(1); } }); //追加後の高さ var newHeight = scrollViewer.ExtentHeight; //増えた高さ分だけスクロール位置を下げる ScrollViewerBehavior.SetVerticalOffset(scrollViewer, ScrollViewerBehavior.GetVerticalOffset(scrollViewer) + (newHeight - height)); } } }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { var childscount = VisualTreeHelper.GetChildrenCount(AssociatedObject); for (int i = 0; i < childscount; i++) { if (VisualTreeHelper.GetChild(AssociatedObject, i) is ScrollViewer) { var sv = VisualTreeHelper.GetChild(AssociatedObject, i) as ScrollViewer; sv.ScrollToVerticalOffset(sv.ScrollableHeight); break; } } }
/// <summary> /// Handles the ItemsChanged event of the ItemContainerGenerator control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.Windows.Controls.Primitives.ItemsChangedEventArgs"/> instance containing the event data.</param> private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add) { Dispatcher.BeginInvoke(new ItemChangedDelegate(i => { ListBoxItem item = (ListBoxItem)this.ItemContainerGenerator.ContainerFromIndex(i); if (item != null) { VisualStateManager.GoToState(item, "BeforeLoaded", false); VisualStateManager.GoToState(item, "AfterLoaded", true); } }), e.Position.Index + e.Position.Offset); } else if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Remove) { Dispatcher.BeginInvoke(new ItemChangedDelegate(i => { ListBoxItem item = (ListBoxItem)this.ItemContainerGenerator.ContainerFromIndex(i); if (item != null) { VisualStateManager.GoToState(item, "BeforeUnloaded", true); } }), e.Position.Index + e.Position.Offset); } else if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Replace) { Dispatcher.BeginInvoke(new ItemChangedDelegate(i => { ListBoxItem item = (ListBoxItem)this.ItemContainerGenerator.ContainerFromIndex(i); if (item != null) { VisualStateManager.GoToState(item, "BeforeLoaded", true); VisualStateManager.GoToState(item, "AfterLoaded", true); } }), e.Position.Index + e.Position.Offset); } else if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Reset) { var observableBefore = from t in Observable.Interval(TimeSpan.FromMilliseconds(ListAnimationInterval / 2.0d)).TimeInterval().Take(this.Items.Count) select t.Value; var observableAfter = from t in Observable.Interval(TimeSpan.FromMilliseconds(ListAnimationInterval / 2.0d)).TimeInterval().Take(this.Items.Count) select t.Value; // This timer will allow us to delay slightly the afterloaded states System.Windows.Threading.DispatcherTimer dt = new System.Windows.Threading.DispatcherTimer(); dt.Tick += (sen, evt) => { dt.Stop(); observableAfter.Subscribe(i => Dispatcher.BeginInvoke(() => { if (this.ItemContainerGenerator.ContainerFromIndex((int)i) == null) { return; } VisualStateManager.GoToState( (ListBoxItem)this.ItemContainerGenerator.ContainerFromIndex((int)i), "AfterLoaded", true); })); }; dt.Interval = TimeSpan.FromMilliseconds(ListAnimationInterval * 2.0d); observableBefore.Subscribe(i => Dispatcher.BeginInvoke(() => { if (this.ItemContainerGenerator.ContainerFromIndex((int)i) == null) { return; } VisualStateManager.GoToState( (ListBoxItem)this.ItemContainerGenerator.ContainerFromIndex((int)i), "BeforeLoaded", true); })); dt.Start(); } }
protected virtual new void OnItemsChanged(Object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) { Contract.Requires(args != null); }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) => DataLoadedProgressBar.IsIndeterminate = false;
protected override void OnItemsChanged(Object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) { }
private void list_changes(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { }
private void list_changes(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { listBox1.UpdateLayout(); listBox1.ScrollIntoView(fixedItem); }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) => _model.CheckUpdateAsync();
protected virtual new void OnItemsChanged(Object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) { }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { svLines.ScrollToEnd(); }
void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { //throw new NotImplementedException(); }
private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e) { SyncSelectedItem(); }