我有一本書應用程序,我正在使用FlipView
控件在用戶當前正在閱讀的書中任何選定章節的頁面之間翻頁。將RichTextBlockOverflow添加到FlipView中
我動態創建的頁面,並加入他們作爲FlipView
控制與下面的代碼項目:
private void CreateNewFlipPage(RichTextBlockOverflow columnContent, int page)
{
var fvItem = new FlipViewItem();
var grid = GetOverflowGrid(); // Pre-formatted grid with 4 columns (index 0, 2, 4, and 6) and three 30 pixel spacer columns in between (index 1, 3, and 5)
var overFlow1 = new RichTextBlockOverflow();
var overFlow2 = new RichTextBlockOverflow();
var overFlow3 = new RichTextBlockOverflow();
var overFlow4 = new RichTextBlockOverflow();
var pageText = new TextBlock
{
VerticalAlignment = Windows.UI.Xaml.VerticalAlignment.Bottom,
Opacity = 0.5,
FontSize = 18.667,
Margin = new Thickness(40, 0, 0, 0),
Foreground = Application.Current.Resources["ApplicationPageTextOppositeBackgroundThemeBrush"] as SolidColorBrush,
FontFamily = new FontFamily("Global User Interface"),
Text = "Page " + page
};
overFlow4.Margin = new Thickness(0, 0, 0, 40);
Grid.SetColumn(overFlow1, 0);
Grid.SetColumn(overFlow2, 2);
Grid.SetColumn(overFlow3, 4);
Grid.SetColumn(overFlow4, 6);
Grid.SetColumn(pageText, 6);
grid.Children.Add(overFlow1);
grid.Children.Add(overFlow2);
grid.Children.Add(overFlow3);
grid.Children.Add(overFlow4);
grid.Children.Add(pageText);
fvItem.Content = grid;
FlipView.Items.Add(fvItem);
overFlow1.OverflowContentTarget = columnContent;
overFlow2.OverflowContentTarget = overFlow1;
overFlow3.OverflowContentTarget = overFlow2;
overFlow4.OverflowContentTarget = overFlow3;
overFlow1.Measure(new Size(grid.ColumnDefinitions[0].ActualWidth, grid.ActualHeight));
overFlow2.Measure(new Size(grid.ColumnDefinitions[0].ActualWidth, grid.ActualHeight));
overFlow3.Measure(new Size(grid.ColumnDefinitions[0].ActualWidth, grid.ActualHeight));
overFlow4.Measure(new Size(grid.ColumnDefinitions[0].ActualWidth, grid.ActualHeight));
grid.UpdateLayout();
if (overFlow4.HasOverflowContent)
{
CreateNewFlipPage(overFlow4, page++);
}
}
而且我把這個代碼在我這裏初始UI方法一旦UI已更新:
...
if (column4Content.HasOverflowContent)
{
CreateNewFlipPage(column4Content, 2); // column4Content is a RTBO object
}
...
如果我不打電話給最後一部分,我得到第一個完整的頁面,沒有別的。
如果我打電話的最後一部分,我得到的第一個3列的第一頁上,將項目添加到FlipView
,但沒有文字顯示在第二頁上4列消失
是什麼我不如何讓所有的RTBO對象顯示?