using Spire.Doc;
using Spire.Doc.Documents;
using System.Drawing;

namespace EmphasisMark
{
    class Program
    {
        static void Main(string[] args)
        {
            //創(chuàng)建Document對象
            Document document = new Document();

            //加載Word文檔
            document.LoadFromFile("sample.docx");

            //查找指定字符串
            TextSelection[] textSelections = document.FindAllString("分析報告", false, true);

            //添加強調(diào)符號到字符串
            foreach (TextSelection selection in textSelections)
            {
                selection.GetAsOneRange().CharacterFormat.EmphasisMark = Emphasis.DotBelow;
            }

            //保存文檔
            document.SaveToFile("Result.docx", FileFormat.Docx2013);
            System.Diagnostics.Process.Start("Result.docx");
        }
    }
}

Imports Spire.Doc
Imports Spire.Doc.Documents
Imports System.Drawing

Namespace EmphasisMark
    Class Program
        Private Shared Sub Main(args As String())
            '創(chuàng)建Document對象
            Dim document As New Document()

            '加載Word文檔
            document.LoadFromFile("sample.docx")

            '查找指定字符串
            Dim textSelections As TextSelection() = document.FindAllString("分析報告", False, True)

            '添加強調(diào)符號到字符串
            For Each selection As TextSelection In textSelections
                selection.GetAsOneRange().CharacterFormat.EmphasisMark = Emphasis.DotBelow
            Next

            '保存文檔
            document.SaveToFile("Result.docx", FileFormat.Docx2013)
            System.Diagnostics.Process.Start("Result.docx")
        End Sub
    End Class
End Namespace