PDF ActionChain in C#, VB.NET

  • Demo
  • C# source
  • VB.Net source

The sample demonstrates how to work with action, javascript action, page destination action and action annotation in PDF document.

Download ActionChain.pdf

using System;
using System.Drawing;
using Spire.Pdf;
using Spire.Pdf.Graphics;
using Spire.Pdf.Actions;
using Spire.Pdf.General;
using Spire.Pdf.Tables;
using System.Data.OleDb;
using System.Data;

namespace ActionChain
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a pdf document.
            PdfDocument doc = new PdfDocument();

            //Draw pages
            PdfPageBase lastPage = DrawPages(doc);

            //script
            String script
                = "app.alert({"
                + "    cMsg: \"I'll lead; you must follow me.\","
                + "    nIcon: 3,"
                + "    cTitle: \"JavaScript Action\""
                + "});";
            PdfJavaScriptAction action1 = new PdfJavaScriptAction(script);
            doc.AfterOpenAction = action1;

            //script
            script
                = "app.alert({"
                + "    cMsg: \"The firt page!\","
                + "    nIcon: 3,"
                + "    cTitle: \"JavaScript Action\""
                + "});";
            PdfJavaScriptAction action2 = new PdfJavaScriptAction(script);
            action1.NextAction = action2;

            PdfDestination dest = new PdfDestination(lastPage);
            dest.Zoom = 1;
            PdfGoToAction action3 = new PdfGoToAction(dest);
            action2.NextAction = action3;

            //script
            script
                = "app.alert({"
                + "    cMsg: \"Oh sorry, it's the last page. I'm missing!\","
                + "    nIcon: 3,"
                + "    cTitle: \"JavaScript Action\""
                + "});";
            PdfJavaScriptAction action4 = new PdfJavaScriptAction(script);
            action3.NextAction = action4;

            //Save pdf file.
            doc.SaveToFile("ActionChain.pdf");
            doc.Close();

            //Launching the Pdf file.
            System.Diagnostics.Process.Start("ActionChain.pdf");
        }

        private static PdfPageBase DrawPages(PdfDocument doc)
        {
            //margin
            PdfUnitConvertor unitCvtr = new PdfUnitConvertor();
            PdfMargins margin = new PdfMargins();
            margin.Top = unitCvtr.ConvertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point);
            margin.Bottom = margin.Top;
            margin.Left = unitCvtr.ConvertUnits(3.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point);
            margin.Right = margin.Left;

            // Create one page
            PdfPageBase page = doc.Pages.Add(PdfPageSize.A4, margin);

            float y = 10;

            //title
            PdfBrush brush1 = PdfBrushes.Black;
            PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 16f, FontStyle.Bold));
            PdfStringFormat format1 = new PdfStringFormat(PdfTextAlignment.Center);
            page.Canvas.DrawString("Part List", font1, brush1, page.Canvas.ClientSize.Width / 2, y, format1);
            y = y + font1.MeasureString("Part List", format1).Height;
            y = y + 5;

            //create data table
            PdfTable table = new PdfTable();
            table.Style.CellPadding = 2;
            table.Style.BorderPen = new PdfPen(brush1, 0.75f);
            table.Style.DefaultStyle.BackgroundBrush = PdfBrushes.SkyBlue;
            table.Style.DefaultStyle.Font = new PdfTrueTypeFont(new Font("Arial", 10f));
            table.Style.AlternateStyle = new PdfCellStyle();
            table.Style.AlternateStyle.BackgroundBrush = PdfBrushes.LightYellow;
            table.Style.AlternateStyle.Font = new PdfTrueTypeFont(new Font("Arial", 10f));
            table.Style.HeaderSource = PdfHeaderSource.ColumnCaptions;
            table.Style.HeaderStyle.BackgroundBrush = PdfBrushes.CadetBlue;
            table.Style.HeaderStyle.Font = new PdfTrueTypeFont(new Font("Arial", 11f, FontStyle.Bold));
            table.Style.HeaderStyle.StringFormat = new PdfStringFormat(PdfTextAlignment.Center);
            table.Style.ShowHeader = true;

            using (OleDbConnection conn = new OleDbConnection())
            {
                conn.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=..\..\..\..\..\..\Data\demo.mdb";
                OleDbCommand command = new OleDbCommand();
                command.CommandText
                    = " select Description, OnHand, OnOrder, Cost, ListPrice from parts ";
                command.Connection = conn;
                using (OleDbDataAdapter dataAdapter = new OleDbDataAdapter(command))
                {
                    DataTable dataTable = new DataTable();
                    dataAdapter.Fill(dataTable);
                    table.DataSourceType = PdfTableDataSourceType.TableDirect;
                    table.DataSource = dataTable;
                }
            }
            float width
                = page.Canvas.ClientSize.Width
                    - (table.Columns.Count + 1) * table.Style.BorderPen.Width;
            for (int i = 0; i < table.Columns.Count; i++)
            {
                if (i == 0)
                {
                    table.Columns[i].Width = width * 0.40f * width;
                    table.Columns[i].StringFormat
                        = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle);
                }
                else
                {
                    table.Columns[i].Width = width * 0.15f * width;
                    table.Columns[i].StringFormat
                        = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle);
                }
            }

            PdfTableLayoutFormat tableLayout = new PdfTableLayoutFormat();
            tableLayout.Break = PdfLayoutBreakType.FitElement;
            tableLayout.Layout = PdfLayoutType.Paginate;

            PdfLayoutResult result = table.Draw(page, new PointF(0, y), tableLayout);
            y = result.Bounds.Bottom + 3;

            PdfBrush brush2 = PdfBrushes.Gray;
            PdfTrueTypeFont font2 = new PdfTrueTypeFont(new Font("Arial", 9f));
            result.Page.Canvas.DrawString(String.Format("* {0} parts in the list.", table.Rows.Count),
                font2, brush2, 5, y);

            return result.Page;
        }       
    }
}

Imports System.Data.OleDb
Imports System.Drawing
Imports Spire.Pdf
Imports Spire.Pdf.Graphics
Imports Spire.Pdf.Actions
Imports Spire.Pdf.General
Imports Spire.Pdf.Tables

Namespace ActionChain
    Friend Class Program
        Shared Sub Main(ByVal args() As String)
            'Create a pdf document.
            Dim doc As New PdfDocument()

            'Draw pages
            Dim lastPage As PdfPageBase = DrawPages(doc)

            'script
            Dim script As String _
                = "app.alert({" _
                & "    cMsg: ""I'll lead; you must follow me.""," _
                & "    nIcon: 3," _
                & "    cTitle: ""JavaScript Action""" _
                & "});"
            Dim action1 As New PdfJavaScriptAction(script)
            doc.AfterOpenAction = action1

            'script
            script _
                = "app.alert({" _
                & "    cMsg: ""The firt page!""," _
                & "    nIcon: 3," _
                & "    cTitle: ""JavaScript Action""" _
                & "});"
            Dim action2 As New PdfJavaScriptAction(script)
            action1.NextAction = action2

            Dim dest As New PdfDestination(lastPage)
            dest.Zoom = 1
            Dim action3 As New PdfGoToAction(dest)
            action2.NextAction = action3

            'script
            script _
                = "app.alert({" _
                & "    cMsg: ""Oh sorry, it's the last page. I'm missing!""," _
                & "    nIcon: 3," _
                & "    cTitle: ""JavaScript Action""" _
                & "});"
            Dim action4 As New PdfJavaScriptAction(script)
            action3.NextAction = action4

            'Save pdf file.
            doc.SaveToFile("ActionChain.pdf")
            doc.Close()

            'Launching the Pdf file.
            Process.Start("ActionChain.pdf")
        End Sub

        Private Shared Function DrawPages(ByVal doc As PdfDocument) As PdfPageBase
            'margin
            Dim unitCvtr As New PdfUnitConvertor()
            Dim margin As New PdfMargins()
            margin.Top = unitCvtr.ConvertUnits(2.54F, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point)
            margin.Bottom = margin.Top
            margin.Left = unitCvtr.ConvertUnits(3.17F, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point)
            margin.Right = margin.Left

            ' Create one page
            Dim page As PdfPageBase = doc.Pages.Add(PdfPageSize.A4, margin)

            Dim y As Single = 10

            'title
            Dim brush1 As PdfBrush = PdfBrushes.Black
            Dim font1 As New PdfTrueTypeFont(New Font("Arial", 16.0F, FontStyle.Bold))
            Dim format1 As New PdfStringFormat(PdfTextAlignment.Center)
            page.Canvas.DrawString("Part List", font1, brush1, page.Canvas.ClientSize.Width \ 2, y, format1)
            y = y + font1.MeasureString("Part List", format1).Height
            y = y + 5

            'create data table
            Dim table As New PdfTable()
            table.Style.CellPadding = 2
            table.Style.BorderPen = New PdfPen(brush1, 0.75F)
            table.Style.DefaultStyle.BackgroundBrush = PdfBrushes.SkyBlue
            table.Style.DefaultStyle.Font = New PdfTrueTypeFont(New Font("Arial", 10.0F))
            table.Style.AlternateStyle = New PdfCellStyle()
            table.Style.AlternateStyle.BackgroundBrush = PdfBrushes.LightYellow
            table.Style.AlternateStyle.Font = New PdfTrueTypeFont(New Font("Arial", 10.0F))
            table.Style.HeaderSource = PdfHeaderSource.ColumnCaptions
            table.Style.HeaderStyle.BackgroundBrush = PdfBrushes.CadetBlue
            table.Style.HeaderStyle.Font = New PdfTrueTypeFont(New Font("Arial", 11.0F, FontStyle.Bold))
            table.Style.HeaderStyle.StringFormat = New PdfStringFormat(PdfTextAlignment.Center)
            table.Style.ShowHeader = True

            Using conn As New OleDbConnection()
                conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=demo.mdb"
                Dim command As New OleDbCommand()
                command.CommandText = " select Description, OnHand, OnOrder, Cost, ListPrice from parts "
                command.Connection = conn
                Using dataAdapter As New OleDbDataAdapter(command)
                    Dim dataTable As New DataTable()
                    dataAdapter.Fill(dataTable)
                    table.DataSourceType = PdfTableDataSourceType.TableDirect
                    table.DataSource = dataTable
                End Using
            End Using
            Dim width As Single _
                = page.Canvas.ClientSize.Width - (table.Columns.Count + 1) * table.Style.BorderPen.Width
            For i As Integer = 0 To table.Columns.Count - 1
                If i = 0 Then
                    table.Columns(i).Width = width * 0.4F * width
                    table.Columns(i).StringFormat _
                        = New PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle)
                Else
                    table.Columns(i).Width = width * 0.15F * width
                    table.Columns(i).StringFormat _
                        = New PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle)
                End If
            Next i

            Dim tableLayout As New PdfTableLayoutFormat()
            tableLayout.Break = PdfLayoutBreakType.FitElement
            tableLayout.Layout = PdfLayoutType.Paginate

            Dim result As PdfLayoutResult = table.Draw(page, New PointF(0, y), tableLayout)
            y = result.Bounds.Bottom + 3

            Dim brush2 As PdfBrush = PdfBrushes.Gray
            Dim font2 As New PdfTrueTypeFont(New Font("Arial", 9.0F))
            result.Page.Canvas.DrawString(String.Format("* {0} parts in the list.", table.Rows.Count), _
                                          font2, brush2, 5, y)

            Return result.Page
        End Function
    End Class
End Namespace