''
'' This code is part of Document Solutions for PDF demos.
'' Copyright (c) MESCIUS inc. All rights reserved.
''
Imports System.IO
Imports System.Drawing
Imports GrapeCity.Documents.Common
Imports GrapeCity.Documents.Pdf
Imports GrapeCity.Documents.Text
 
'' Shows how to change page size and orientation in DsPdf.
Public Class PageSize
    Sub CreatePDF(ByVal stream As Stream)
        Dim in2mm = 72.0F / 25.4F
        Dim colorOrig = Color.Red
        Dim colorNew = Color.Blue
        Dim doc = New GcPdfDocument()
        '' The default page size is Letter (8 1/2" x 11") with portrait orientation:
        Dim page = doc.NewPage()
        Dim sOrigPageInfo = $"Original page size: {page.Size} pts ({page.Size.Width / 72.0F}"" * {page.Size.Height / 72.0F}""),{vbCrLf}" +
            $"paper kind: {page.PaperKind}, landscape: {page.Landscape}."
        '' Save original page bounds:
        Dim rOrig = page.Bounds
        '' Change page parameters:
        page.Landscape = True
        page.PaperKind = PaperKind.A4
        Dim sNewPageInfo = $"New page size: {page.Size} pts ({page.Size.Width / 72.0F}"" * {page.Size.Height / 72.0F}""),{vbCrLf}" +
            $"paper kind: {page.PaperKind}, landscape: {page.Landscape}."
        '' New page bounds:
        Dim rNew = page.Bounds
        '' Draw original and new page bounds:
        page.Graphics.DrawRectangle(rOrig, colorOrig, 6)
        page.Graphics.DrawRectangle(rNew, colorNew, 6)
        '' Draw original and new page infos:
        Dim tf = New TextFormat() With {
            .Font = StandardFonts.Times,
            .FontSize = 14,
            .ForeColor = colorOrig
        }
        page.Graphics.DrawString(sOrigPageInfo, tf, New PointF(72, 72))
        tf.ForeColor = colorNew
        page.Graphics.DrawString(sNewPageInfo, tf, New PointF(72, 72 * 2))
        '' Done:
        doc.Save(stream)
    End Sub
End Class