using Spire.Doc;

namespace CompareFiles_Doc
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建Document实例,加载Word文档1
            Document doc1 = new Document();
            doc1.LoadFromFile("文档1.docx");

            //创建Document实例，加载Word文档2
            Document doc2 = new Document();
            doc2.LoadFromFile("文档2.docx");

            //调用方法，比较两个文档的内容差异
            doc1.Compare(doc2, "Shawn");

            //保存文档1
            doc1.SaveToFile("Result.docx",FileFormat.Docx2013);
            System.Diagnostics.Process.Start("Result.docx");
        }
    }
}

Imports Spire.Doc

Namespace CompareFiles_Doc
    Class Program
        Private Shared Sub Main(args As String())
            '创建Document实例,加载Word文档1
            Dim doc1 As New Document()
            doc1.LoadFromFile("文档1.docx")

            '创建Document实例，加载Word文档2
            Dim doc2 As New Document()
            doc2.LoadFromFile("文档2.docx")

            '调用方法，比较这两个文档的内容差异
            doc1.Compare(doc2, "Shawn")

            '保存文档1
            doc1.SaveToFile("Result.docx", FileFormat.Docx2013)
            System.Diagnostics.Process.Start("Result.docx")
        End Sub
    End Class
End Namespace