如何将多个FlowDocumentReaders添加到StackPanel?

时间:2010-02-18 11:22:56

标签: c# wpf xaml flowdocument flowdocumentreader

感谢Leom's answer我能够将 FlowDocument 添加到 StackDnel ,方法是将其包装在 FlowDocumentReader 中。

但现在我有两个问题:

  • 似乎只添加了第一个 FlowDocumentReader,其余的被忽略
  • 不需要的余量,我无法摆脱

如何在没有不需要的边距的情况下将多个FlowDocumentReaders添加到StackPanel?

alt text http://www.deviantsart.com/upload/1ndiqqe.png

XAML:

<Window x:Class="TestFlowdoc23432.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="200" Width="300">
    <StackPanel Margin="10">
        <ContentControl x:Name="MainArea"/>
    </StackPanel>
</Window>

代码背后:

using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;

namespace TestFlowdoc23432
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();

            StackPanel sp = new StackPanel();

            TextBlock tb1 = new TextBlock();
            tb1.Text = "first text block";
            sp.Children.Add(tb1);

            TextBlock tb2 = new TextBlock();
            tb2.Text = "second text block";
            sp.Children.Add(tb2);

            sp.Children.Add(GetFlowDocumentReader("first flow document reader"));
            sp.Children.Add(GetFlowDocumentReader("second flow document reader"));

            MainArea.Content = sp;
        }

        FlowDocumentReader GetFlowDocumentReader(string text)
        {
            FlowDocumentReader fdr = new FlowDocumentReader();
            FlowDocument fd = new FlowDocument();
            fdr.Document = fd;
            fdr.Margin = new Thickness(0);
            Paragraph par = new Paragraph();
            par.Margin = new Thickness(0);
            fd.Blocks.Add(par);

            Run r = new Run(text);
            par.Inlines.Add(r);

            return fdr;
        }

    }
}

1 个答案:

答案 0 :(得分:3)

要使文本显示在左侧,您需要在flowdocument上设置pagepadding属性,如下所示:

fd.PagePadding = new Thickness(0);

你似乎只得到第一个读者的原因是因为它填充了可用空间(将其移动为第一个对象,你将看不到文本块)。 如果将FlowDocumentReader更改为FlowDocumentScrollViewer并使用VerticalScrollBarVisibility属性,则可以获得所需的效果。以下是应用了更改的GetFlowDocumentReader方法:

FlowDocumentScrollViewer GetFlowDocumentReader(string text)
        {
            FlowDocumentScrollViewer fdr = new FlowDocumentScrollViewer();

            FlowDocument fd = new FlowDocument();
            fdr.Document = fd;
            fdr.Margin = new Thickness(0);
            Paragraph par = new Paragraph();
            par.Margin = new Thickness(0);
            fd.Blocks.Add(par);

            Run r = new Run(text);
            par.Inlines.Add(r);

            fd.PagePadding = new Thickness(0);
            fdr.VerticalScrollBarVisibility = ScrollBarVisibility.Hidden;

            return fdr;
        }