The example demonstrates how to use the font scaling to expand a string using ByteScout PDF SDK.

Program.vb:
VB

'*******************************************************************
'       ByteScout PDF SDK
'                                                                   
'       Copyright © 2016 Bytescout, http://www.bytescout.com        
'       ALL RIGHTS RESERVED                                         
'                                                                   
'*******************************************************************

Imports Bytescout.PDF

''' <summary>
''' This example demonstrates how to use the font scaling to expand a string.
''' </summary>
Class Program

    Shared Sub Main()

        ' Create new document
        Dim pdfDocument = New Document()
        pdfDocument.RegistrationName = "demo"
		pdfDocument.RegistrationKey = "demo"
        ' Add page
        Dim page = New Page(PaperFormat.A4)
        pdfDocument.Pages.Add(page)


        Dim font = New Font("Arial", 16)
        Dim brush = New SolidBrush()
        Dim stringFormat = New StringFormat()

        stringFormat.Scaling = 100.0F
        page.Canvas.DrawString("Normal string 100.0%", font, brush, 20, 20, stringFormat)

        stringFormat.Scaling = 50.0F
        page.Canvas.DrawString("Squeezed string 50.0%", font, brush, 20, 50, stringFormat)

        stringFormat.Scaling = 150.0F
        page.Canvas.DrawString("Expanded string 150.0%", font, brush, 20, 80, stringFormat)


        ' Save document to file
        pdfDocument.Save("result.pdf")

        ' Cleanup 
		pdfDocument.Dispose()

        ' Open document in default PDF viewer app
        Process.Start("result.pdf")

    End Sub

End Class 

Program.cs:
C#

//*******************************************************************
//       ByteScout PDF SDK		                                     
//                                                                   
//       Copyright © 2016 ByteScout - http://www.bytescout.com       
//       ALL RIGHTS RESERVED                                         
//                                                                   
//*******************************************************************

using System.Diagnostics;
using Bytescout.PDF;

namespace StringScaling
{
	/// <summary>
	/// This example demonstrates how to use the font scaling to expand a string.
	/// </summary>
	class Program
	{
		static void Main()
		{
			// Create new document
			Document pdfDocument = new Document();
			pdfDocument.RegistrationName = "demo";
			pdfDocument.RegistrationKey = "demo";
			// Add page
			Page page = new Page(PaperFormat.A4);
			pdfDocument.Pages.Add(page);

			Font font = new Font("Arial", 16);
			Brush brush = new SolidBrush();
			StringFormat stringFormat = new StringFormat();

			stringFormat.Scaling = 100f;
			page.Canvas.DrawString("Normal string 100.0%", font, brush, 20, 20, stringFormat);

			stringFormat.Scaling = 50.0f;
			page.Canvas.DrawString("Squeezed string 50.0%", font, brush, 20, 50, stringFormat);

			stringFormat.Scaling = 150.0f;
			page.Canvas.DrawString("Expanded string 150.0%", font, brush, 20, 80, stringFormat);

			
			// Save document to file
			pdfDocument.Save("result.pdf");

			// Cleanup 
			pdfDocument.Dispose();

			// Open document in default PDF viewer app
			Process.Start("result.pdf");
		}
	}
}