[Browsable(false)]
public PageList Pages { get; }

<Browsable(False)>
Public ReadOnly Property Pages As PageList

using DevExpress.XtraReports.UI;
// ...

private void CreateBooklet() {
    // Create the 1st report and generate its document.
    XtraReport1 report1 = new XtraReport1();
    report1.CreateDocument();

    // Preserve the original page numbers on all pages.
    report1.PrintingSystem.ContinuousPageNumbering = false;

    // Create a booklet.
    int centerPageIndex = Convert.ToInt32((report1.Pages.Count - 1) / 2);
    for (int i = 0; i < centerPageIndex; i++) {
        report1.Pages.Insert(i * 2 + 1, report1.Pages[report1.Pages.Count - 1]);
    }

    // Show the Print Preview form (in a WinForms application).
    ReportPrintTool printTool = new ReportPrintTool(report1);
    printTool.ShowPreviewDialog();
}

Imports DevExpress.XtraReports.UI
' ...

Private Sub CreateBooklet()
    ' Create the 1st report and generate its document.
    Dim report1 As XtraReport1 = New XtraReport1()
    report1.CreateDocument()

    ' Preserve the original page numbers on all pages.
    report1.PrintingSystem.ContinuousPageNumbering = False

    ' Create a booklet.
    Dim centerPageIndex As Integer = Convert.ToInt32((report1.Pages.Count - 1) / 2)
    Dim i As Integer = 0
    Do While i < centerPageIndex
        report1.Pages.Insert(i * 2 + 1, report1.Pages(report1.Pages.Count - 1))
        i += 1
    Loop

    ' Show the Print Preview form (in a WinForms application).
    Dim printTool As New ReportPrintTool(report1)
    printTool.ShowPreviewDialog()
End Sub

//Merge reports
categoriesReport.Pages.AddRange(productsReport.Pages);

// Add a custom watermark to the second page.
Page myPage = report.Pages[1];
myPage.WatermarkId = "Watermark2";

this.PrintingSystem.ContinuousPageNumbering = true;
    this.Pages.Insert(0, titleReport.Pages[0]);
}

size.Width = size.Width + 50;
foreach (Page page in this.Pages) {
    LabelBrick labelBrick = CreateLabel(page, font, size, text);

if (DetailHeight != 0) return;
foreach (DevExpress.XtraPrinting.Page p in this.Pages) {
    foreach (Brick b in p) {

'Merge reports
categoriesReport.Pages.AddRange(productsReport.Pages)
Call CustomTableOfContents.Form1.CreateLinks(categoriesReport)

' Add a custom watermark to the second page.
Dim myPage As Page = report.Pages(1)
myPage.WatermarkId = "Watermark2"

Me.PrintingSystem.ContinuousPageNumbering = True
    Me.Pages.Insert(0, titleReport.Pages(0))
End Sub

brickSize.Width = brickSize.Width + 50
For Each page As Page In Me.Pages
    Dim labelBrick As LabelBrick = CreateLabel(page, brickFont, brickSize, brickText)

End If
For Each p As DevExpress.XtraPrinting.Page In Me.Pages
    For Each b As Brick In p