to export richtextbox content to word at specific location

Hi, try this code

using System.Windows.Forms;
using Spire.Doc;
namespace Richtextbox2Word
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnInsert_Click(object sender, EventArgs e)
{
//load sample Word file
Document doc = new Document();
doc.LoadFromFile("template.docx");
//add textbox to word with specified size
Spire.Doc.Fields.TextBox textbox = doc.Sections[0].AddParagraph().AppendTextBox(100, 30);
//set the relative position to margin
textbox.HorizontalOrigin = Spire.Doc.Documents.HorizontalOrigin.Margin;
textbox.HorizontalPosition = 50;
textbox.VerticalOrigin = Spire.Doc.Documents.VerticalOrigin.Margin;
textbox.VerticalPosition = 50;
//get rtf string from richtextbox
string richText = this.richTextBox1.Rtf;
//insert formatted text to textbox
Spire.Doc.Documents.Paragraph paragraph = textbox.Body.AddParagraph(); paragraph.AppendRTF(richText);
//save to file
doc.SaveToFile("output.docx", FileFormat.Docx2013);
System.Diagnostics.Process.Start("output.docx");
}
}
}

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