How to add header and footer in PDF document using C# and VB.NET?

using Syncfusion.Pdf;
using Syncfusion.Pdf.Graphics;
using System.Drawing;

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Graphics
Imports System.Drawing

//Create a new PDF document
PdfDocument document = new PdfDocument();
//Add the first page to the PDF document that does not contain header and footer
document.Pages.Add();
//Add a section - Header and footer can be added to this section
PdfSection section = document.Sections.Add();
//Add pages to section 
section.Pages.Add();
section.Pages.Add();
//Add the header template at the top of the section
section.Template.Top = AddHeader(document);
//Add the footer template at the bottom of the section 
section.Template.Bottom = AddFooter(document)
//Draw the text
foreach (PdfPage page in document.Pages)
{
    page.Graphics.DrawString("Hello World!!!", new PdfStandardFont(PdfFontFamily.TimesRoman, 20), PdfBrushes.Black, new PointF(0, 50));
}
//Save the document
document.Save("HeaderFooter.pdf");
//Close the document
document.Close();
//This will open the PDF file so, the result will be seen in default PDF viewer
Process.Start("HeaderFooter.pdf");

'Create a new PDF document
Dim document As New PdfDocument()
'Add the first page of the PDF document that does not contain header and footer
document.Pages.Add()
'Add a section - Header and footer can be added to this section
Dim section As PdfSection = document.Sections.Add()
'Add pages to section 
section.Pages.Add()
section.Pages.Add()
'Add the header template at the top of the section
section.Template.Top = AddHeader(document)
'Add the footer template at the bottom of the section 
section.Template.Bottom = AddFooter(document)
'Draw the text
For Each page As PdfPage In document.Pages
    page.Graphics.DrawString("Hello World!!!", New PdfStandardFont(PdfFontFamily.TimesRoman, 20), PdfBrushes.Black, New PointF(0, 50))
Next
'Save the document
document.Save("HeaderFooter.pdf")
'Close the document
document.Close()
'This will open the PDF file so, the result will be seen in default PDF viewer
Process.Start("HeaderFooter.pdf")

private static PdfPageTemplateElement AddHeader(PdfDocument doc)
{
    RectangleF bounds = new RectangleF(0, 0, doc.Pages[0].GetClientSize().Width, 50);
    //Create a page template for header
    PdfPageTemplateElement header = new PdfPageTemplateElement(bounds);
    //Draw the rectangle in header
    header.Graphics.DrawRectangle(PdfPens.DarkBlue, bounds);
    //Draw the image in header
    PdfImage image = new PdfBitmap(@"Logo.png");
    SizeF imageSize = new SizeF(110f, 35f);
    PointF imageLocation = new PointF(doc.Pages[0].GetClientSize().Width - imageSize.Width - 20, 5);
    header.Graphics.DrawImage(image, imageLocation, imageSize);
    return header;
}
 
private static PdfPageTemplateElement AddFooter(PdfDocument doc)
{
    RectangleF bounds = new RectangleF(0, 0, doc.Pages[0].GetClientSize().Width, 50);
    //Create a page template that can be used as footer
    PdfPageTemplateElement footer = new PdfPageTemplateElement(bounds);
    PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 7);
    PdfBrush brush = new PdfSolidBrush(Color.Black);
    //Create page number field
    PdfPageNumberField pageNumber = new PdfPageNumberField(font, brush);
    //Create page count field
    PdfPageCountField count = new PdfPageCountField(font, brush);
    //Add the fields in composite fields
    PdfCompositeField compositeField = new PdfCompositeField(font, brush, "Page {0} of {1}", pageNumber, count);
    compositeField.Bounds = footer.Bounds;
    //Draw the composite field in footer
    compositeField.Draw(footer.Graphics, new PointF(470, 40));
    return footer;
}

Private Function AddHeader(doc As PdfDocument) As PdfPageTemplateElement
    Dim bounds As New RectangleF(0, 0, doc.Pages(0).GetClientSize().Width, 50)
    ‘Create a page template for header
    Dim header As New PdfPageTemplateElement(bounds)
    'Draw the rectangle in header
    header.Graphics.DrawRectangle(PdfPens.DarkBlue, bounds)
    'Draw the image in header
    Dim image As PdfImage = New PdfBitmap("Logo.png")
    Dim imageSize As New SizeF(110.0F, 35.0F)
    Dim imageLocation As New PointF(doc.Pages(0).GetClientSize().Width - imageSize.Width - 20, 5)
    header.Graphics.DrawImage(image, imageLocation, imageSize)
    Return header
End Function
 
Private Function AddFooter(doc As PdfDocument) As PdfPageTemplateElement
    Dim bounds As New RectangleF(0, 0, doc.Pages(0).GetClientSize().Width, 50)
    'Create a page template that can be used as footer
    Dim footer As New PdfPageTemplateElement(bounds)
    Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Helvetica, 7)
    Dim brush As PdfBrush = New PdfSolidBrush(Color.Black)
    'Create page number field
    Dim pageNumber As New PdfPageNumberField(font, brush)
    'Create page count field
    Dim count As New PdfPageCountField(font, brush)
    'Add the fields in composite fields
    Dim compositeField As New PdfCompositeField(font, brush, "Page {0} of {1}", pageNumber, count)
    compositeField.Bounds = footer.Bounds
    'Draw the composite field in footer
    compositeField.Draw(footer.Graphics, New PointF(470, 40))
    Return footer
End Function