Print PDF Document Pages by PDF Viewer with C#, VB.NET

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As its read only characteristic, PDF enjoys great popularity among business field. Especially, when sign contracts or send invoices, almost all the business contacts and invoices must be printed. Thus, printing PDF document pages becomes an unavoidable process, which requires a well knowledge of how to print PDF document in a quick way.

This program guide aims at introducing a method to print PDF document by a PDF Viewer component Spire.PDFViewer with C#, VB.NET.

This method enables you not only to print PDF document pages but also to open any PDF document on system via Spire.PDFViewer. That is to say, one method can open and print many PDF files. Please look at the procedure below.

Spire.PDFViewer for .NET Download Zip

Step1. Create a new project.

1.      Create a new project in Visual Studio. Please note that this project needs a Form.

2.      Set the Target Framework of This project to be .NET Framework 2 or above in Properties.

Step2. Add reference and Set up the Form.

1.      Add Spire.PDFViewer Form Dll as reference from your downloaded Spire.PDFViewer.

2.      Add a toolScript and pdfDocumentViewer in the default Form " Form1".

3.      Add two buttons and a ComboBox in Form1 from toolScript dropdown list

4.      Set the "Name", "Display Style", "Text" and "ToolTipText" of button1 in Properties to be "btnOpen", "Text", "Open" and "Open PDF document" and button2 to be "btnPrint", "Text","Print" and "Print PDF document".

5.      Set the Dock property of pdfDocumentViewer in order to view PDF file page in a enough space.

Step3. Print PDF Document Pages by PDF Viewer

1. Add below namespaces at the top of the method.

C# Code:

using System.IO;
using Spire.PdfViewer.Forms;

VB.NET Code:

Imports System.IO
Imports Spire.PdfViewer.Forms

2. Load a PDF document from system

C# Code:

        private void Form1_Load(object sender, EventArgs e)
        {
            string pdfDoc = @"D:\michelle\e-iceblue\Spire.PDFViewer\Demos\Data\Spire.Office.pdf";
            if (File.Exists(pdfDoc))
            {
                this.pdfDocumentViewer1.LoadFromFile(pdfDoc);
            }
        }

VB.NET Code:

         Private Sub Form1_Load(sender As Object, e As EventArgs)
         Dim pdfDoc As String = "D:\michelle\e-iceblue\Spire.PDFViewer\Demos\Data\Spire.Office.pdf"
                 If File.Exists(pdfDoc) Then
                     Me.pdfDocumentViewer1.LoadFromFile(pdfDoc)
                 End If
         End Sub

3. Open the PDF document

C# Code:

        private void btnOpen_Click(object sender, EventArgs e)
        {
            OpenFileDialog dialog = new OpenFileDialog();
            dialog.Filter = "PDF document (*.pdf)|*.pdf";
            DialogResult result = dialog.ShowDialog();
            if (result == DialogResult.OK)
            {
                string pdfFile = dialog.FileName;
                this.pdfDocumentViewer1.LoadFromFile(pdfFile);
            }
        }

VB.NET Code:

         Private Sub btnOpen_Click(sender As Object, e As EventArgs)
                 Dim dialog As New OpenFileDialog()
                 dialog.Filter = "PDF document (*.pdf)|*.pdf"
                 Dim result As DialogResult = dialog.ShowDialog()
                  If result = DialogResult.OK Then
                 Dim pdfFile As String = dialog.FileName
                 Me.pdfDocumentViewer1.LoadFromFile(pdfFile)
                 End If
         End Sub

4. Print PDF document pages by PDF Viewer

C# Code:

        private void btnPrint_Click(object sender, EventArgs e)
        {
            if (this.pdfDocumentViewer1.PageCount > 0)
            {
                this.pdfDocumentViewer1.Print();
            }
        }
        private void pdfDocumentViewer1_PdfLoaded(object sender, EventArgs args)
        {
            this.comBoxPages.Items.Clear();
            int totalPage = this.pdfDocumentViewer1.PageCount;
            for (int i = 1; i <= totalPage; i++)
            {
                this.comBoxPages.Items.Add(i.ToString());
            }
            this.comBoxPages.SelectedIndex = 0;
        }
        private void pdfDocumentViewer1_PageNumberChanged(object sender, EventArgs args)
        {
            if (this.comBoxPages.Items.Count <= 0)
                return;
            if (this.pdfDocumentViewer1.CurrentPageNumber != this.comBoxPages.SelectedIndex + 1)
            {
                this.comBoxPages.SelectedIndex = this.pdfDocumentViewer1.CurrentPageNumber - 1;
            }
        }
        private void comBoxPages_SelectedIndexChanged(object sender, EventArgs e)
        {
            int soucePage = this.pdfDocumentViewer1.CurrentPageNumber;
            int targetPage = this.comBoxPages.SelectedIndex + 1;
            if (soucePage != targetPage)
            {
                this.pdfDocumentViewer1.GoToPage(targetPage);
            }
        }

VB.NET Code:

         Private Sub btnPrint_Click(sender As Object, e As EventArgs)
                 If Me.pdfDocumentViewer1.PageCount > 0 Then
                          Me.pdfDocumentViewer1.Print()
                 End If
         End Sub
         Private Sub pdfDocumentViewer1_PdfLoaded(sender As Object, args As EventArgs)
                  Me.comBoxPages.Items.Clear()
                 Dim totalPage As Integer = Me.pdfDocumentViewer1.PageCount
                 For i As Integer = 1 To totalPage
                          Me.comBoxPages.Items.Add(i.ToString())
                 Next
                 Me.comBoxPages.SelectedIndex = 0
                 End Sub
         Private Sub pdfDocumentViewer1_PageNumberChanged(sender As Object, args As EventArgs)
                 If Me.comBoxPages.Items.Count <= 0 Then
                         Return
                 End If
                 If Me.pdfDocumentViewer1.CurrentPageNumber <> Me.comBoxPages.SelectedIndex + 1 Then
                          Me.comBoxPages.SelectedIndex = Me.pdfDocumentViewer1.CurrentPageNumber - 1
                 End If
         End Sub
         Private Sub comBoxPages_SelectedIndexChanged(sender As Object, e As EventArgs)
                 Dim soucePage As Integer = Me.pdfDocumentViewer1.CurrentPageNumber
                 Dim targetPage As Integer = Me.comBoxPages.SelectedIndex + 1
                 If soucePage <> targetPage Then
                          Me.pdfDocumentViewer1.GoToPage(targetPage)
                 End If
         End Sub

Step4. Press F5 to launch the file.

After debugging, you can preview the effect.

The First Page

The Fourth Page

When you click the "Open" button, there will be a dialog box appears and then you can open another PDF document from system. Also, you can select any page in the dropdown list of the ComboBox and choose "Print" button to print it.

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About Keating Arly

Experience:	1 year(s)
Home page:	http://www.e-iceblue.com
Member since:	Tuesday, March 27, 2012
Level:	Starter
Status:	[Member]
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