private void Flyout_Opening(object sender, object e)
{
if (Flip.ContainerFromIndex(Flip.SelectedIndex).FindChildOfName <ScrollViewer>("ScrollViewerMain") is ScrollViewer Viewer)
{
ZoomFactor = Convert.ToInt32(Viewer.ZoomFactor * 100);
ZoomFactorDisplay.Text = $"{ZoomFactor}%";
}
}
private void ZoomOutButton_Click(object sender, RoutedEventArgs e)
{
int Mod = ZoomFactor % 10;
int NextFactor = ZoomFactor - (Mod > 0 ? Mod : 10);
if (NextFactor >= 50)
{
ZoomFactor = NextFactor;
ZoomFactorDisplay.Text = $"{NextFactor}%";
if (Flip.ContainerFromIndex(Flip.SelectedIndex).FindChildOfName <ScrollViewer>("ScrollViewerMain") is ScrollViewer Viewer)
{
Viewer.ChangeView(null, null, NextFactor / 100f);
}
}
}
private void Flip_SelectionChanged_TaskOne(object sender, SelectionChangedEventArgs e)
{
TextBoxControl.Text = Convert.ToString(Flip.SelectedIndex + 1);
if (!PanelToggle.IsChecked.GetValueOrDefault())
{
if (Flip.ContainerFromIndex(Flip.SelectedIndex).FindChildOfName <ScrollViewer>("ScrollViewerMain") is ScrollViewer Viewer)
{
if (PdfCollection.IndexOf(e.AddedItems.Cast <BitmapImage>().FirstOrDefault()) > PdfCollection.IndexOf(e.RemovedItems.Cast <BitmapImage>().FirstOrDefault()))
{
Viewer.ChangeView(0, 0, ZoomFactor / 100f, true);
}
else
{
Viewer.ChangeView(0, Viewer.ScrollableHeight, ZoomFactor / 100f, true);
}
}
}
}
private void Flip_SelectionChanged1(object sender, SelectionChangedEventArgs e)
{
if (Flip.SelectedIndex == -1)
{
return;
}
if (LastSelectIndex > Flip.SelectedIndex)
{
_ = Flip.ContainerFromItem(Flip.SelectedIndex + 1).FindChildOfType <ScrollViewer>()?.ChangeView(null, null, 1);
}
else
{
if (Flip.SelectedIndex > 0)
{
_ = Flip.ContainerFromIndex(Flip.SelectedIndex - 1).FindChildOfType <ScrollViewer>()?.ChangeView(null, null, 1);
}
}
Behavior.InitAnimation(InitOption.AroundImage);
LastSelectIndex = Flip.SelectedIndex;
}
private void Page_PointerWheelChanged(object sender, PointerRoutedEventArgs e)
{
if (!PanelToggle.IsChecked.GetValueOrDefault())
{
if (Flip.ContainerFromIndex(Flip.SelectedIndex).FindChildOfName <ScrollViewer>("ScrollViewerMain") is ScrollViewer Viewer)
{
if (Viewer.ZoomFactor > 1f)
{
int Delta = e.GetCurrentPoint(null).Properties.MouseWheelDelta;
if (Delta > 0)
{
if (Viewer.VerticalOffset == 0 && Flip.SelectedIndex > 0)
{
if (++DelaySelectionChangeCount > 1)
{
DelaySelectionChangeCount = 0;
Flip.SelectedIndex--;
}
}
}
else
{
if (Viewer.VerticalOffset == Viewer.ScrollableHeight && Flip.SelectedIndex < PdfCollection.Count - 1)
{
if (++DelaySelectionChangeCount > 1)
{
DelaySelectionChangeCount = 0;
Flip.SelectedIndex++;
}
}
}
}
}
}
}
