private void OnOffsetChangeRequested(IScrollController sender, ScrollControllerOffsetChangeRequestedEventArgs e) { if (sender == horizontalScrollController) { LogMessage("CanvasScrollControllerConsumer: OnOffsetChangeRequested for HorizontalScrollController"); LogMessage("Offset=" + e.Offset + ", OffsetKind=" + e.OffsetKind + ", OffsetChangeKind=" + e.OffsetChangeKind); switch (e.OffsetKind) { case ScrollerViewKind.Absolute: { switch (e.OffsetChangeKind) { case ScrollerViewChangeKind.DisableAnimation: Canvas.SetLeft(scrolledElement, -e.Offset); break; } break; } } } else if (sender == verticalScrollController) { LogMessage("CanvasScrollControllerConsumer: OnOffsetChangeRequested for VerticalScrollController"); LogMessage("Offset=" + e.Offset + ", OffsetKind=" + e.OffsetKind + ", OffsetChangeKind=" + e.OffsetChangeKind); switch (e.OffsetKind) { case ScrollerViewKind.Absolute: { switch (e.OffsetChangeKind) { case ScrollerViewChangeKind.DisableAnimation: Canvas.SetTop(scrolledElement, -e.Offset); break; } break; } } } else { LogMessage("CanvasScrollControllerConsumer: OnOffsetChangeRequested for unknown sender"); } }
private int RaiseOffsetChangeRequested( double offset, ScrollerViewKind offsetKind, ScrollerViewChangeKind offsetChangeKind) { LogMessage("ScrollBarController: RaiseOffsetChangeRequested for Orientation=" + Orientation + " with offset =" + offset + ", offsetKind=" + offsetKind + ", offsetChangeKind=" + offsetChangeKind); if (OffsetChangeRequested != null) { ScrollControllerOffsetChangeRequestedEventArgs e = new ScrollControllerOffsetChangeRequestedEventArgs( offset, offsetKind, offsetChangeKind); OffsetChangeRequested(this, e); if (e.ViewChangeId != -1 && !lstOffsetChangeIds.Contains(e.ViewChangeId)) { operationsCount++; lstOffsetChangeIds.Add(e.ViewChangeId); } return(e.ViewChangeId); } return(-1); }
private void IScrollController_OffsetChangeRequested(IScrollController sender, ScrollControllerOffsetChangeRequestedEventArgs args) { try { if (provideViewChangeIds) { viewChangeId++; args.ViewChangeId = viewChangeId; AppendAsyncEventMessage("OffsetChangeRequested Created ViewChangeId=" + args.ViewChangeId); lock (asyncEventReportingLock) { viewChangeIds.Add(args.ViewChangeId); } var ignored = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, ProcessAsyncOperation); } else { AppendAsyncEventMessage("OffsetChangeRequested"); } } catch (Exception ex) { txtExceptionReport.Text = ex.ToString(); lstScrollBar2Events.Items.Add(ex.ToString()); } }