using Spire.Doc;
using Spire.Doc.Documents;
using Spire.Doc.Fields;
using System;

namespace WordTextbox
{
class Program
{
static void Main(string[] args)
{
// Instantiate document object
Document document = new Document();

//Add a section
Section section = document.AddSection();

//Set the margin
section.PageSetup.Margins.Left = 90;
section.PageSetup.Margins.Right = 90;
Paragraph paragraph = section.AddParagraph();

//Add texbox 1
TextBox textBox1 = paragraph.AppendTextBox(section.PageSetup.Margins.Left - 20, section.PageSetup.PageSize.Height + 20);

//Fix the position of textbox
textBox1.Format.HorizontalOrigin = HorizontalOrigin.Page;
textBox1.Format.HorizontalPosition = 0;
textBox1.Format.VerticalPosition = -10f;
textBox1.Format.VerticalOrigin = VerticalOrigin.Page;

//Set the text vertically
textBox1.Format.TextAnchor = ShapeVerticalAlignment.Center;
textBox1.Format.LayoutFlowAlt = TextDirection.LeftToRight;

//Add text and set the font
Paragraph textboxPara1 = textBox1.Body.AddParagraph();
TextRange txtrg = textboxPara1.AppendText("Name_______Number_________Class__________");
txtrg.CharacterFormat.FontName = "Arial";
txtrg.CharacterFormat.FontSize = 10;
txtrg.CharacterFormat.TextColor = System.Drawing.Color.Black;
textboxPara1.Format.HorizontalAlignment = HorizontalAlignment.Center;

//Save the document
document.SaveToFile("Result.docx");

}
}
}

【VB.NET】

Namespace WordTextbox

Class Program

Private Shared Sub Main(ByVal args() As String)
Dim document As Document = New Document
Dim section As Section = document.AddSection
section.PageSetup.Margins.Left = 90
section.PageSetup.Margins.Right = 90
Dim paragraph As Paragraph = section.AddParagraph
Dim textBox1 As TextBox = paragraph.AppendTextBox((section.PageSetup.Margins.Left - 20), (section.PageSetup.PageSize.Height + 20))
textBox1.Format.HorizontalOrigin = HorizontalOrigin.Page
textBox1.Format.HorizontalPosition = 0
textBox1.Format.VerticalPosition = -10!
textBox1.Format.VerticalOrigin = VerticalOrigin.Page
textBox1.Format.TextAnchor = ShapeVerticalAlignment.Center
textBox1.Format.LayoutFlowAlt = TextDirection.LeftToRight
Dim textboxPara1 As Paragraph = textBox1.Body.AddParagraph
Dim txtrg As TextRange = textboxPara1.AppendText("Name_______Number_________Class__________")
txtrg.CharacterFormat.FontName= "Arial"
txtrg.CharacterFormat.FontSize = 10
txtrg.CharacterFormat.TextColor = System.Drawing.Color.Black
textboxPara1.Format.HorizontalAlignment = HorizontalAlignment.Center
document.SaveToFile("Result.docx")
End Sub
End Class
End Namespace

輸出

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