WPF中的RichTextBox中的上标+下划线内联

Question

我有一组文本想放入 RichTextBox 中，如下所示：

所以我使用了 RichTextBox，因为它允许我执行以下操作。

var zipCodeParagraph = new Paragraph();
string zipCodes = String.Empty;

var dateRun = new Underline(new Run(DateTime.Today.DayOfWeek + ", " + CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(DateTime.Today.Month) + ' ' + DateTime.Today.Day));
Underline dateSuperscript;

switch (DateTime.Today.Day % 10)
{
    case 1:
        dateSuperscript = new Underline(new Run("st"));
        break;
    case 2:
        dateSuperscript = new Underline(new Run("nd"));
        break;
    case 3:
        dateSuperscript = new Underline(new Run("rd"));
        break;
    default:
        dateSuperscript = new Underline(new Run("th"));
        break;
}

dateSuperscript.BaselineAlignment = BaselineAlignment.Superscript;

if (ZipCodes.Any())
{
    zipCodeParagraph.Inlines.Add(new Run("The following zip codes are facing a "));
    zipCodeParagraph.Inlines.Add(new Underline(new Run("Severe Weather Threat")));
    zipCodeParagraph.Inlines.Add(new Run(" on "));
    zipCodeParagraph.Inlines.Add(dateRun);
    zipCodeParagraph.Inlines.Add(dateSuperscript);
    zipCodes = String.Join(", ", ZipCodes.ToArray());
}

然而结果是这样的：

问题是，当将文本的基线更改为 superscript/subscript 时，下划线也会更改为该高度。我希望下划线保留在原处，并且超级脚本也能出现。

我只找到了一个不以编程方式完成的接近解决方案here。

Answer 1

由于这似乎是 RichTextBox 的局限性，最好的解决方案是 second answer of the question you linked, namely instead of using the normal letters, to use their Unicode superscript variants:

中提出的解决方案

"st" 变成“ˢᵗ”
"nd" 变成 "ⁿᵈ"

等等

您还应该删除基线设置：

//dateSuperscript.BaselineAlignment = BaselineAlignment.Superscript;

Answer 2

我尝试转换 link here 中提到的相同代码。参考下面的代码。

   FlowDocument mcFlowDoc = new FlowDocument();
        Hyperlink hyp = new Hyperlink();
        hyp.Foreground = Brushes.Black;
        TextBlock txt = new TextBlock();
        txt.Foreground = Brushes.Black;
        txt.Text = "Friday,April 10";           
        Run rn = new Run("th");
        rn.BaselineAlignment = BaselineAlignment.Superscript;
        txt.Inlines.Add(rn);
        hyp.Inlines.Add(txt);            
        Paragraph para = new Paragraph();
        para.Inlines.Add(new Run("The following zip codes are facing a "));
        para.Inlines.Add(new Underline(new Run("Severe Weather Threat")));
        para.Inlines.Add(new Run(" on "));
        para.Inlines.Add(hyp); 
        mcFlowDoc.Blocks.Add(para);
        RichTextBox mcRTB = new RichTextBox();
        mcRTB.Width = 560;
        mcRTB.Height = 100;
        mcRTB.Document = mcFlowDoc;

WPF中的RichTextBox中的上标+下划线内联

Superscript + Underline inline in a RichTextBox in WPF

c#

wpf

superscript

richtextbox