C#/VB.NET: Criar um documento do Word

PM> Install-Package Spire.Doc

using Spire.Doc;
    using Spire.Doc.Documents;
    using System.Drawing;
    
    namespace CreateWordDocument
    {
        class Program
        {
            static void Main(string[] args)
            {
                //Create a Document object
                Document doc = new Document();
    
                //Add a section
                Section section = doc.AddSection();
    
                //Set the page margins
                section.PageSetup.Margins.All = 40f;
    
                //Add a paragraph as title
                Paragraph titleParagraph = section.AddParagraph();
                titleParagraph.AppendText("Introduction of Spire.Doc for .NET");
    
                //Add two paragraphs as body
                Paragraph bodyParagraph_1 = section.AddParagraph();
                bodyParagraph_1.AppendText("Spire.Doc for .NET is a professional Word.NET library specifically designed " +
                    "for developers to create, read, write, convert, compare and print Word documents on any.NET platform " +
                    "(.NET Framework, .NET Core, .NET Standard, Xamarin & Mono Android) with fast and high-quality performance.");
    
    
                Paragraph bodyParagraph_2 = section.AddParagraph();
                bodyParagraph_2.AppendText("As an independent Word .NET API, Spire.Doc for .NET doesn't need Microsoft Word to " +
                             "be installed on neither the development nor target systems. However, it can incorporate Microsoft Word " +
                             "document creation capabilities into any developers' .NET applications.");
    
                //Create a style for title paragraph
                ParagraphStyle style1 = new ParagraphStyle(doc);
                style1.Name = "titleStyle";
                style1.CharacterFormat.Bold = true;
                style1.CharacterFormat.TextColor = Color.Purple;
                style1.CharacterFormat.FontName = "Times New Roman";
                style1.CharacterFormat.FontSize = 12;
                doc.Styles.Add(style1);
                titleParagraph.ApplyStyle("titleStyle");
    
                //Create a style for body paragraphs
                ParagraphStyle style2 = new ParagraphStyle(doc);
                style2.Name = "paraStyle";
                style2.CharacterFormat.FontName = "Times New Roman";
                style2.CharacterFormat.FontSize = 12;
                doc.Styles.Add(style2);
                bodyParagraph_1.ApplyStyle("paraStyle");
                bodyParagraph_2.ApplyStyle("paraStyle");
    
                //Set the horizontal alignment of paragraphs
                titleParagraph.Format.HorizontalAlignment = HorizontalAlignment.Center;
                bodyParagraph_1.Format.HorizontalAlignment = HorizontalAlignment.Justify;
                bodyParagraph_2.Format.HorizontalAlignment = HorizontalAlignment.Justify;
    
                //Set the first line indent
                bodyParagraph_1.Format.FirstLineIndent = 30;
                bodyParagraph_2.Format.FirstLineIndent = 30;
    
                //Set the after spacing
                titleParagraph.Format.AfterSpacing = 10;
                bodyParagraph_1.Format.AfterSpacing = 10;
    
                //Save to file
                doc.SaveToFile("WordDocument.docx", FileFormat.Docx2013);
            }
        }
    }

Imports Spire.Doc
    Imports Spire.Doc.Documents
    Imports System.Drawing
    
    Namespace CreateWordDocument
        Class Program
            Shared  Sub Main(ByVal args() As String)
                'Create a Document object
                Document doc  =  New Document()
    
                'Add a section
                Dim section As Section =  doc.AddSection()
    
                'Set the page margins
                section.PageSetup.Margins.All = 40f
    
                'Add a paragraph as title
                Dim titleParagraph As Paragraph =  section.AddParagraph()
                titleParagraph.AppendText("Introduction of Spire.Doc for .NET")
    
                'Add two paragraphs as body
                Dim bodyParagraph_1 As Paragraph =  section.AddParagraph()
                bodyParagraph_1.AppendText("Spire.Doc for .NET is a professional Word.NET library specifically designed " +
                    "for developers to create, read, write, convert, compare and print Word documents on any.NET platform " +
                    "(.NET Framework, .NET Core, .NET Standard, Xamarin & Mono Android) with fast and high-quality performance.")
    
    
                Dim bodyParagraph_2 As Paragraph =  section.AddParagraph()
                bodyParagraph_2.AppendText("As an independent Word .NET API, Spire.Doc for .NET doesn't need Microsoft Word to " +
                             "be installed on neither the development nor target systems. However, it can incorporate Microsoft Word " +
                             "document creation capabilities into any developers' .NET applications.")
    
                'Create a style for title paragraph
                Dim style1 As ParagraphStyle =  New ParagraphStyle(doc)
                style1.Name = "titleStyle"
                style1.CharacterFormat.Bold = True
                style1.CharacterFormat.TextColor = Color.Purple
                style1.CharacterFormat.FontName = "Times New Roman"
                style1.CharacterFormat.FontSize = 12
                doc.Styles.Add(style1)
                titleParagraph.ApplyStyle("titleStyle")
    
                'Create a style for body paragraphs
                Dim style2 As ParagraphStyle =  New ParagraphStyle(doc)
                style2.Name = "paraStyle"
                style2.CharacterFormat.FontName = "Times New Roman"
                style2.CharacterFormat.FontSize = 12
                doc.Styles.Add(style2)
                bodyParagraph_1.ApplyStyle("paraStyle")
                bodyParagraph_2.ApplyStyle("paraStyle")
    
                'Set the horizontal alignment of paragraphs
                titleParagraph.Format.HorizontalAlignment = HorizontalAlignment.Center
                bodyParagraph_1.Format.HorizontalAlignment = HorizontalAlignment.Justify
                bodyParagraph_2.Format.HorizontalAlignment = HorizontalAlignment.Justify
    
                'Set the first line indent
                bodyParagraph_1.Format.FirstLineIndent = 30
                bodyParagraph_2.Format.FirstLineIndent = 30
    
                'Set the after spacing
                titleParagraph.Format.AfterSpacing = 10
                bodyParagraph_1.Format.AfterSpacing = 10
    
                'Save to file
                doc.SaveToFile("WordDocument.docx", FileFormat.Docx2013)
            End Sub
        End Class
    End Namespace