The sample demonstrates how to write a "HelloWorld" to a PDF document.

Download HelloWorld.pdf

using System.Drawing;
using Spire.Pdf;
using Spire.Pdf.Graphics;

namespace HelloWorld
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a pdf document.
            PdfDocument doc = new PdfDocument();

            // Create one page
            PdfPageBase page =doc.Pages.Add();

            //Draw the text
            page.Canvas.DrawString("Hello, World!",
                                   new PdfFont(PdfFontFamily.Helvetica, 30f),
                                   new PdfSolidBrush(Color.Black),
                                   10, 10);

            //Save pdf file.
            doc.SaveToFile("HelloWorld.pdf");
            doc.Close();

            //Launching the Pdf file.
            System.Diagnostics.Process.Start("HelloWorld.pdf");
        }
    }
}

Imports System.Drawing
Imports Spire.Pdf
Imports Spire.Pdf.Graphics

Namespace HelloWorld
    Friend Class Program
        Shared Sub Main(ByVal args() As String)
            'Create a pdf document.
            Dim doc As New PdfDocument()

            ' Create one page
            Dim page As PdfPageBase = doc.Pages.Add()

            'Draw the text
            page.Canvas.DrawString("Hello, World!", _
                   New PdfFont(PdfFontFamily.Helvetica, 30.0F), _
                   New PdfSolidBrush(Color.Black), 10, 10)

            'Save pdf file.
            doc.SaveToFile("HelloWorld.pdf")
            doc.Close()

            'Launching the Pdf file.
            Process.Start("HelloWorld.pdf")
        End Sub
    End Class
End Namespace

The sample demonstrates how to write a "Hello World" in a Word document.

private void button1_Click(object sender, EventArgs e)
{
    //Create word document
    Document document = new Document();

    //Create a new paragraph
    Paragraph paragraph = document.AddSection().AddParagraph();

    //Append Text
    paragraph.AppendText("Hello World!");

    //Save doc file.
    document.SaveToFile("Sample.doc", FileFormat.Doc);

    //Launching the MS Word file.
    WordDocViewer("Sample.doc");
}

private void WordDocViewer(string fileName)
{
    try
    {
        System.Diagnostics.Process.Start(fileName);
    }
    catch { }
}

Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button1.Click
	'Create word document
	Dim document_Renamed As New Document()

	'Create a new paragraph
	Dim paragraph_Renamed As Paragraph = document_Renamed.AddSection().AddParagraph()

	'Append Text
	paragraph_Renamed.AppendText("Hello World!")

	'Save doc file.
	document_Renamed.SaveToFile("Sample.doc",FileFormat.Doc)

	'Launching the MS Word file.
	WordDocViewer("Sample.doc")


End Sub

Private Sub WordDocViewer(ByVal fileName As String)
	Try
		Process.Start(fileName)
	Catch
	End Try
End Sub

 The sample demonstrates how to write a string to an excel workbook.

private void btnRun_Click(object sender, System.EventArgs e)
{
       //Creates workbook
       Workbook workbook = new Workbook();
       //Gets first worksheet
       Worksheet sheet = workbook.Worksheets[0];
        
       //Writes hello world to A1
       sheet.Range["A1"].Text = "Hello,World!";

       //Save workbook to disk
       workbook.SaveToFile("Sample.xls");

       //View excel file
       ExcelDocViewer(workbook.FileName);
}

private void ExcelDocViewer( string fileName )
{   
       try   
       {    
          System.Diagnostics.Process.Start(fileName);   
       }   catch{}
}

   Private  Sub ExcelDocViewer(ByVal fileName As String)
      Try
        System.Diagnostics.Process.Start(fileName)
      Catch
      End Try
    End Sub

    Private Sub btnRun_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnRun.Click
      'Creates workbook
      Dim workbook As Workbook = New Workbook()
      'Gets first worksheet
      Dim sheet As Worksheet = workbook.Worksheets(0)

      'Writes hello world to A1
      sheet.Range("A1").Text = "Hello,World!"

      'Save workbook to disk
      workbook.SaveToFile("Sample.xls")

      'View excel file
      ExcelDocViewer(workbook.FileName)
    End Sub

    Private Sub btnAbout_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnAbout.Click
      Close()
    End Sub