[Browsable(true)]
public virtual object PageHeaderFooter { get; set; }

<Browsable(True)>
Public Overridable Property PageHeaderFooter As Object

using System;
using System.Windows.Forms;
using DevExpress.XtraPrinting;
// ...

private void button1_Click(object sender, EventArgs e) {
    string leftColumn = "Pages: [Page # of Pages #]";
    string middleColumn = "User: [User Name]";
    string rightColumn = "Date: [Date Printed]";

    // Create a PageHeaderFooter object and initializing it with
    // the link's PageHeaderFooter.
    PageHeaderFooter phf = printableComponentLink1.PageHeaderFooter as PageHeaderFooter;

    // Clear the PageHeaderFooter's contents.
    phf.Header.Content.Clear();

    // Add custom information to the link's header.
    phf.Header.Content.AddRange(new string[] { leftColumn, middleColumn, rightColumn });
    phf.Header.LineAlignment = BrickAlignment.Far;

    // Show the document's preview.
    printableComponentLink1.ShowPreview();
}

Imports System
Imports System.Windows.Forms
Imports DevExpress.XtraPrinting
' ...

Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) _
Handles button1.Click
    Dim leftColumn As String = "Pages: [Page # of Pages #]"
    Dim middleColumn As String = "User: [User Name]"
    Dim rightColumn As String = "Date: [Date Printed]"

    ' Create a PageHeaderFooter object and initializing it with
    ' the link's PageHeaderFooter.
    Dim phf As PageHeaderFooter = _
        TryCast(printableComponentLink1.PageHeaderFooter, PageHeaderFooter)

    ' Clear the PageHeaderFooter's contents.
    phf.Header.Content.Clear()

    ' Add custom information to the link's header.
    phf.Header.Content.AddRange(New String() _
        {leftColumn, middleColumn, rightColumn})
    phf.Header.LineAlignment = BrickAlignment.Far

    ' Show the document's preview.
    printableComponentLink1.ShowPreview()
End Sub