FlowDocument上的MouseDown事件向下滚动FlowDocumentScrollViewer

private void FlowDocumentScrollViewer_MouseDown(object sender, MouseButtonEventArgs e)
{
    // 确保这里没有导致滚动的代码
}

private void FlowDocumentScrollViewer_MouseDown(object sender, MouseButtonEventArgs e)
{
    e.Handled = true; // 阻止默认行为
}

<Window x:Class="FlowDocumentExample.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="FlowDocument Example" Height="450" Width="800">
    <Grid>
        <FlowDocumentScrollViewer x:Name="flowDocumentScrollViewer" MouseDown="FlowDocumentScrollViewer_MouseDown">
            <FlowDocument>
                <!-- 添加你的富文本内容 -->
            </FlowDocument>
        </FlowDocumentScrollViewer>
    </Grid>
</Window>

using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace FlowDocumentExample
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void FlowDocumentScrollViewer_MouseDown(object sender, MouseButtonEventArgs e)
        {
            e.Handled = true; // 阻止默认行为
        }
    }
}