How to draw a rectangle in PDF document

Rectangles drawn in PDF using ByteScout PDF SDK for .NET
The example demonstrates how to draw rectangles using ByteScout PDF SDK.
Program.vb:

VB

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

Imports System.Drawing
Imports Bytescout.PDF

''' <summary>
''' This example demonstrates how to draw rectangles.
''' </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 canvas = page.Canvas

        ' Prepare pens and brushes
        Dim borderPen = New SolidPen(New ColorGray(128), 2.0F)
        Dim brush1 = New Bytescout.PDF.SolidBrush(New ColorRGB(255, 0, 0))
        Dim brush2 = New Bytescout.PDF.SolidBrush(New ColorRGB(0, 255, 255))

        ' Draw transparent rectangle with border only
        canvas.DrawRectangle(borderPen, 100, 100, 100, 50)

        ' Draw rounded rectangle with broder and filling
        canvas.DrawRoundedRectangle(borderPen, brush1, 250, 100, 100, 50, 10)

        ' Draw rectangle as polygon
        canvas.DrawPolygon(borderPen, brush2, New PointF() {New PointF(400, 100), New PointF(500, 100), New PointF(500, 150), New PointF(400, 150)})

        ' 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 System.Drawing;
using Bytescout.PDF;
using Brush = Bytescout.PDF.Brush;
using Pen = Bytescout.PDF.Pen;
using SolidBrush = Bytescout.PDF.SolidBrush;

namespace Rectangles
{
	/// <summary>
	/// This example demonstrates how to draw rectangles.
	/// </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);

			Canvas canvas = page.Canvas;

			// Prepare pens and brushes
			Pen borderPen = new SolidPen(new ColorGray(128), 2f);
			Brush brush1 = new SolidBrush(new ColorRGB(255, 0, 0));
			Brush brush2 = new SolidBrush(new ColorRGB(0, 255, 255));

			// Draw transparent rectangle with border only
			canvas.DrawRectangle(borderPen, 100, 100, 100, 50);
			
			// Draw rounded rectangle with broder and filling
			canvas.DrawRoundedRectangle(borderPen, brush1, 250, 100, 100, 50, 10);

			// Draw rectangle as polygon
			canvas.DrawPolygon(borderPen, brush2, new PointF[] { new PointF(400, 100), new PointF(500, 100), new PointF(500, 150), new PointF(400, 150) });
			
			// Save document to file
			pdfDocument.Save("result.pdf");

			// Cleanup 
			pdfDocument.Dispose();

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