ByteScout Premium Suite – C# – PDF Data Remover Tool

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ByteScout Premium Suite – C# – PDF Data Remover Tool

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ByteScout-Premium-Suite-C-sharp-PDF-Data-Remover-Tool.pdf

PDF data remover tool in C# with ByteScout Premium Suite

PDF data remover tool in C#

Easy to understand coding instructions are written to assist you to try-out the features without the requirement to write your own code. ByteScout Premium Suite helps with PDF data remover tool in C#. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.

This rich and prolific sample source code in C# for ByteScout Premium Suite contains various functions and options you should do calling the API to implement PDF data remover tool. To use PDF data remover tool in your C# project or application just copy & paste the code and then run your app! Want to see how it works with your data then code testing will allow the function to be tested and work properly.

Visit our website to get a free trial version of ByteScout Premium Suite. Free trial contains many of source code samples to help you with your C# project.

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Form1.Designer.cs

      namespace Sample_UI_Application
{
    partial class Form1
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
            this.pdfViewerControl1 = new Bytescout.PDFViewer.PDFViewerControl();
            this.toolStrip1 = new System.Windows.Forms.ToolStrip();
            this.tsbOpen = new System.Windows.Forms.ToolStripButton();
            this.btnProceed = new System.Windows.Forms.Button();
            this.tbSearchExpression = new System.Windows.Forms.TextBox();
            this.btnFind = new System.Windows.Forms.Button();
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.cbRegex = new System.Windows.Forms.CheckBox();
            this.label1 = new System.Windows.Forms.Label();
            this.cbMaskRemovedText = new System.Windows.Forms.CheckBox();
            this.cbMakeUnsearchable = new System.Windows.Forms.CheckBox();
            this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
            this.toolStrip1.SuspendLayout();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            // 
            // pdfViewerControl1
            // 
            this.pdfViewerControl1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.pdfViewerControl1.BackColor = System.Drawing.SystemColors.ButtonShadow;
            this.pdfViewerControl1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.pdfViewerControl1.CacheVisitedPages = true;
            this.pdfViewerControl1.Location = new System.Drawing.Point(275, 28);
            this.pdfViewerControl1.MouseMode = Bytescout.PDFViewer.MouseMode.Selection;
            this.pdfViewerControl1.Name = "pdfViewerControl1";
            this.pdfViewerControl1.RegistrationKey = null;
            this.pdfViewerControl1.RegistrationName = null;
            this.pdfViewerControl1.ShowToolbarFind = false;
            this.pdfViewerControl1.Size = new System.Drawing.Size(866, 662);
            this.pdfViewerControl1.TabIndex = 0;
            this.pdfViewerControl1.PreProcessKey += new Bytescout.PDFViewer.PreProcessKeyEventHandler(this.PdfViewerControl1_PreProcessKey);
            this.pdfViewerControl1.CurrentPageIndexChanged += new System.EventHandler(this.PdfViewerControl1_CurrentPageIndexChanged);
            this.pdfViewerControl1.SelectionChanged += new Bytescout.PDFViewer.SelectionChangedEventHandler(this.PdfViewerControl1_SelectionChanged);
            this.pdfViewerControl1.ValidateContextMenu += new Bytescout.PDFViewer.ValidateContextMenuEventHandler(this.PdfViewerControl1_ValidateContextMenu);
            // 
            // toolStrip1
            // 
            this.toolStrip1.ImageScalingSize = new System.Drawing.Size(20, 20);
            this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.tsbOpen});
            this.toolStrip1.Location = new System.Drawing.Point(0, 0);
            this.toolStrip1.Name = "toolStrip1";
            this.toolStrip1.Size = new System.Drawing.Size(1153, 25);
            this.toolStrip1.TabIndex = 1;
            this.toolStrip1.Text = "toolStrip1";
            // 
            // tsbOpen
            // 
            this.tsbOpen.ImageTransparentColor = System.Drawing.Color.Magenta;
            this.tsbOpen.Name = "tsbOpen";
            this.tsbOpen.Size = new System.Drawing.Size(64, 22);
            this.tsbOpen.Text = "&Open PDF";
            this.tsbOpen.Click += new System.EventHandler(this.tsbOpen_Click);
            // 
            // btnProceed
            // 
            this.btnProceed.Location = new System.Drawing.Point(140, 207);
            this.btnProceed.Margin = new System.Windows.Forms.Padding(2);
            this.btnProceed.Name = "btnProceed";
            this.btnProceed.Size = new System.Drawing.Size(129, 23);
            this.btnProceed.TabIndex = 4;
            this.btnProceed.Text = "Perform Removal";
            this.btnProceed.UseVisualStyleBackColor = true;
            this.btnProceed.Click += new System.EventHandler(this.BtnProceed_Click);
            // 
            // tbSearchExpression
            // 
            this.tbSearchExpression.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.tbSearchExpression.Location = new System.Drawing.Point(68, 19);
            this.tbSearchExpression.Name = "tbSearchExpression";
            this.tbSearchExpression.Size = new System.Drawing.Size(183, 20);
            this.tbSearchExpression.TabIndex = 0;
            // 
            // btnFind
            // 
            this.btnFind.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this.btnFind.Location = new System.Drawing.Point(176, 69);
            this.btnFind.Name = "btnFind";
            this.btnFind.Size = new System.Drawing.Size(75, 23);
            this.btnFind.TabIndex = 2;
            this.btnFind.Text = "Find All";
            this.btnFind.UseVisualStyleBackColor = true;
            this.btnFind.Click += new System.EventHandler(this.BtnFindAll_Click);
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.Add(this.cbRegex);
            this.groupBox1.Controls.Add(this.label1);
            this.groupBox1.Controls.Add(this.tbSearchExpression);
            this.groupBox1.Controls.Add(this.btnFind);
            this.groupBox1.Location = new System.Drawing.Point(12, 28);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(257, 98);
            this.groupBox1.TabIndex = 1;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "Find";
            // 
            // cbRegex
            // 
            this.cbRegex.AutoSize = true;
            this.cbRegex.Location = new System.Drawing.Point(9, 45);
            this.cbRegex.Name = "cbRegex";
            this.cbRegex.Size = new System.Drawing.Size(144, 17);
            this.cbRegex.TabIndex = 1;
            this.cbRegex.Text = "Use Regular Expressions";
            this.cbRegex.UseVisualStyleBackColor = true;
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(6, 22);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(56, 13);
            this.label1.TabIndex = 6;
            this.label1.Text = "Find what:";
            // 
            // cbMaskRemovedText
            // 
            this.cbMaskRemovedText.AutoSize = true;
            this.cbMaskRemovedText.Location = new System.Drawing.Point(12, 151);
            this.cbMaskRemovedText.Name = "cbMaskRemovedText";
            this.cbMaskRemovedText.Size = new System.Drawing.Size(238, 17);
            this.cbMaskRemovedText.TabIndex = 2;
            this.cbMaskRemovedText.Text = "Draw black rectangles over the removed text";
            this.toolTip1.SetToolTip(this.cbMaskRemovedText, "Mask removed text fragments with black rectangles to make the output document loo" +
        "k like \"censored\".");
            this.cbMaskRemovedText.UseVisualStyleBackColor = true;
            // 
            // cbMakeUnsearchable
            // 
            this.cbMakeUnsearchable.AutoSize = true;
            this.cbMakeUnsearchable.Location = new System.Drawing.Point(12, 174);
            this.cbMakeUnsearchable.Name = "cbMakeUnsearchable";
            this.cbMakeUnsearchable.Size = new System.Drawing.Size(221, 17);
            this.cbMakeUnsearchable.TabIndex = 3;
            this.cbMakeUnsearchable.Text = "Make the output document unsearchable";
            this.toolTip1.SetToolTip(this.cbMakeUnsearchable, "Make the output document unsearchable. If checked, all PDF pages will be replaced" +
        " with rendered images.");
            this.cbMakeUnsearchable.UseVisualStyleBackColor = true;
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(1153, 702);
            this.Controls.Add(this.cbMakeUnsearchable);
            this.Controls.Add(this.cbMaskRemovedText);
            this.Controls.Add(this.groupBox1);
            this.Controls.Add(this.btnProceed);
            this.Controls.Add(this.pdfViewerControl1);
            this.Controls.Add(this.toolStrip1);
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.Name = "Form1";
            this.Text = "PDF Data Remover Tool";
            this.toolStrip1.ResumeLayout(false);
            this.toolStrip1.PerformLayout();
            this.groupBox1.ResumeLayout(false);
            this.groupBox1.PerformLayout();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private Bytescout.PDFViewer.PDFViewerControl pdfViewerControl1;
        private System.Windows.Forms.ToolStrip toolStrip1;
        private System.Windows.Forms.ToolStripButton tsbOpen;
        private System.Windows.Forms.Button btnProceed;
        private System.Windows.Forms.TextBox tbSearchExpression;
        private System.Windows.Forms.Button btnFind;
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.CheckBox cbRegex;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.CheckBox cbMaskRemovedText;
        private System.Windows.Forms.CheckBox cbMakeUnsearchable;
        private System.Windows.Forms.ToolTip toolTip1;
    }
}

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Form1.cs

      using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using Bytescout.PDFExtractor;
using Bytescout.PDFViewer;


namespace Sample_UI_Application
{
    public partial class Form1 : Form
    {
        // Keep selected rectangles for all document pages
        Dictionary<int, RectangleF[]> _foundTextRectangles = new Dictionary<int, RectangleF[]>();

        public Form1()
        {
            InitializeComponent();

            // Tune PDF Viewer control
            pdfViewerControl1.MouseMode = MouseMode.Selection;
            pdfViewerControl1.MultiSelectMode = true;
            pdfViewerControl1.AllowResizeSelectionRectangles = true;
            pdfViewerControl1.ShowResizeHandlesForActiveSelectionOnly = true;
            pdfViewerControl1.ClearSelectionOnClick = false;

            // Load document into PDF viewer
            pdfViewerControl1.InputFile = "sample.pdf";
        }

        private void tsbOpen_Click(object sender, EventArgs e)
        {
            using (OpenFileDialog openFileDialog = new OpenFileDialog())
            {
                openFileDialog.Title = @"Open PDF Document";
                openFileDialog.Filter = @"PDF Files (*.pdf)|*.pdf|All Files|*.*";

                if (openFileDialog.ShowDialog() == DialogResult.OK)
                {
                    this.Text = openFileDialog.FileName;

                    Cursor = Cursors.WaitCursor;

                    try
                    {
                        // Open file in PDF Viewer control
                        pdfViewerControl1.InputFile = openFileDialog.FileName;
                    }
                    catch (Exception exception)
                    {
                        MessageBox.Show(exception.Message);
                    }
                    finally
                    {
                        Cursor = Cursors.Default;
                    }
                }
            }
        }

        private void PdfViewerControl1_SelectionChanged(object sender, SelectionChange selectionChange, int selectionIndex)
        {
            // Store selection changes 
            if (selectionChange != SelectionChange.Cleared)
            {
                _foundTextRectangles[pdfViewerControl1.CurrentPageIndex] = pdfViewerControl1.SelectionInPoints;
            }
        }

        private void PdfViewerControl1_CurrentPageIndexChanged(object sender, EventArgs e)
        {
            // Show stored selection on page switching
            if (_foundTextRectangles.ContainsKey(pdfViewerControl1.CurrentPageIndex))
            {
                pdfViewerControl1.SelectionInPoints = _foundTextRectangles[pdfViewerControl1.CurrentPageIndex];
            }
        }

        private void PdfViewerControl1_ValidateContextMenu(object source, ContextMenuStrip menu)
        {
            // Add context menu item to delete active selection
            menu.Items.Insert(0, new ToolStripMenuItem("Delete active selection", null, (sender, args) =>
            {
                int activeSelectionIndex = pdfViewerControl1.ActiveSelectionIndex;
                if (activeSelectionIndex != -1)
                    pdfViewerControl1.RemoveSelectionAt(activeSelectionIndex);
            }) { Enabled = pdfViewerControl1.ActiveSelectionIndex != -1 });

            menu.Items.Insert(1, new ToolStripSeparator());
        }

        private void PdfViewerControl1_PreProcessKey(object source, Keys keyData, ref bool handled)
        {
            // `Delete` key will delete active selection
            if (keyData == Keys.Delete)
            {
                int activeSelectionIndex = pdfViewerControl1.ActiveSelectionIndex;
                if (activeSelectionIndex != -1)
                {
                    pdfViewerControl1.RemoveSelectionAt(activeSelectionIndex);
                    handled = true;
                }
            }
        }

        private void BtnFindAll_Click(object sender, EventArgs e)
        {
            if (tbSearchExpression.Text.Length > 1)
            {
                // Prepare TextExtractor
                using (TextExtractor textExtractor = new TextExtractor("demo", "demo"))
                {
                    // Load document into TextExtractor
                    textExtractor.LoadDocumentFromFile(pdfViewerControl1.InputFile);

                    // Set options from UI
                    textExtractor.RegexSearch = cbRegex.Checked;
                    textExtractor.WordMatchingMode = WordMatchingMode.None;
                
                    // Search for text in all pages and store rectangles of found pieces
                    for (int pageIndex = 0; pageIndex < textExtractor.GetPageCount(); pageIndex++)
                    {
                        ISearchResult[] searchResults = textExtractor.FindAll(pageIndex, tbSearchExpression.Text, caseSensitive: true);
                        if (searchResults.Length > 0)
                        {
                            _foundTextRectangles[pageIndex] = searchResults.Select(searchResult => searchResult.Bounds).ToArray();
                        }
                    }
                }

                // Select fount rectangles in PDF Viewer
                if (_foundTextRectangles.ContainsKey(pdfViewerControl1.CurrentPageIndex))
                    pdfViewerControl1.SelectionInPoints = _foundTextRectangles[pdfViewerControl1.CurrentPageIndex];
            }
            else
            {
                MessageBox.Show(@"Try larger search string");
            }
        }

        private void BtnProceed_Click(object sender, EventArgs e)
        {
            var outputFile = "output.pdf";
            MemoryStream tempStream = new MemoryStream();

            // Create `Bytescout.PDFExtractor.Remover2` instance
            using (Remover2 remover = new Remover2("demo", "demo"))
            {
                // Load document into remover
                remover.LoadDocumentFromFile(pdfViewerControl1.InputFile);

                // Set options from UI
                remover.MaskRemovedText = cbMaskRemovedText.Checked;
                remover.MakePDFUnsearchable = cbMakeUnsearchable.Checked;

                // Add fragments to remove
                foreach (KeyValuePair<int, RectangleF[]> keyValuePair in _foundTextRectangles)
                    remover.AddTextToRemove(keyValuePair.Key, keyValuePair.Value);

                // Perform removal and save result document to file
                remover.PerformRemoval(outputFile);
            }
            
            // Open output PDF file in default associated application
            Process.Start(outputFile);
        }
    }
}

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Program.cs

      using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace Sample_UI_Application
{
	static class Program
	{
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main()
		{
			Application.EnableVisualStyles();
			Application.SetCompatibleTextRenderingDefault(false);
			Application.Run(new Form1());
		}
	}
}