private void SetScrollBar()
{
VScrollBar = ContentGrid.ChildAt <ScrollBar>(0, 0, 1, 0, 0, 2);
HScrollBar = ContentGrid.ChildAt <ScrollBar>(0, 0, 1, 0, 0, 3);
UpdateScrollBar();
}
private void AutoSelectParagraph()
{
if (ParaVisualizer == null)
{
ParaVisualizer = ContentGrid.ChildAt <ItemsStackPanel>(0, 0, 0, 0, 0, 0, 1);
if (ParaVisualizer == null)
{
return;
}
}
Rect ScreenBounds = IsHorz ? new Rect(0, 0, ActualWidth * 0.8, ActualHeight) : new Rect(0, 0, ActualWidth, ActualHeight * 0.8);
if (VisibleParagraph != null && VisibleContext?.DataContext?.Equals(SelectedParagraph) == true)
{
if (VisualTreeHelper.FindElementsInHostCoordinates(ScreenBounds, ParaVisualizer).Contains(VisibleParagraph))
{
return;
}
}
int l = ParaVisualizer.Children.Count();
for (int i = 0; i < l; i++)
{
FrameworkElement Item = ( FrameworkElement )ParaVisualizer.Children[i];
if (VisualTreeHelper.FindElementsInHostCoordinates(ScreenBounds, ParaVisualizer).Contains(Item))
{
FrameworkElement _ContentPresenter = Item.ChildAt <FrameworkElement>(0, 0, 1);
if (_ContentPresenter?.DataContext is Paragraph P)
{
VisibleParagraph = Item;
VisibleContext = _ContentPresenter;
SelectedParagraph = P;
ContentGrid.SelectedItem = P;
Reader.SelectAndAnchor(P);
break;
}
}
}
}
private void ContentGrid_Loaded(object sender, RoutedEventArgs e)
{
VScrollBar = ContentGrid.ChildAt <ScrollBar>(0, 0, 1, 0, 0, 2);
HScrollBar = ContentGrid.ChildAt <ScrollBar>(0, 0, 1, 0, 0, 3);
UpdateScrollBar();
}