private static void repAll()
        {
            object Missing = System.Reflection.Missing.Value;

            Application app = null;
            Microsoft.Office.Interop.Word.Document doc = null;
            try
            {
                app = new Microsoft.Office.Interop.Word.Application();

                doc = app.Documents.Open(@"D:\temp\te1.docx", Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing);

                FindReplaceAnywhere(app, "@levelOrder", "محرمانه");

                doc.SaveAs(@"D:\temp\out.docx", Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing);
            }
            finally
            {
                try
                {
                    if (doc != null) ((Microsoft.Office.Interop.Word._Document)doc).Close(true, Missing, Missing);
                }
                finally { }
                if (app != null) ((Microsoft.Office.Interop.Word._Application)app).Quit(true, Missing, Missing);
            }
        }

        private static void searchAndReplaceInStory(Microsoft.Office.Interop.Word.Range rngStory, string strSearch, string strReplace)
        {
            rngStory.Find.ClearFormatting();
            rngStory.Find.Replacement.ClearFormatting();
            rngStory.Find.Text = strSearch;
            rngStory.Find.Replacement.Text = strReplace;
            rngStory.Find.Wrap = WdFindWrap.wdFindContinue;
            object Missing = System.Reflection.Missing.Value;

            object arg1 = Missing; // Find Pattern
            object arg2 = Missing; //MatchCase
            object arg3 = Missing; //MatchWholeWord
            object arg4 = Missing; //MatchWildcards
            object arg5 = Missing; //MatchSoundsLike
            object arg6 = Missing; //MatchAllWordForms
            object arg7 = Missing; //Forward
            object arg8 = Missing; //Wrap
            object arg9 = Missing; //Format
            object arg10 = Missing; //ReplaceWith
            object arg11 = WdReplace.wdReplaceAll; //Replace
            object arg12 = Missing; //MatchKashida
            object arg13 = Missing; //MatchDiacritics
            object arg14 = Missing; //MatchAlefHamza
            object arg15 = Missing; //MatchControl

            rngStory.Find.Execute(ref arg1, ref arg2, ref arg3, ref arg4, ref arg5, ref arg6, ref arg7, ref arg8, ref arg9, ref arg10, ref arg11, ref arg12, ref arg13, ref arg14, ref arg15);
        }

        // Main routine to find text and replace it,
        //   var app = new Microsoft.Office.Interop.Word.Application();
        public static void FindReplaceAnywhere(Microsoft.Office.Interop.Word.Application app, string findText, string replaceText)
        {
            // http://forums.asp.net/p/1501791/3739871.aspx
            var doc = app.ActiveDocument;

            // Fix the skipped blank Header/Footer problem
            //    http://msdn.microsoft.com/en-us/library/aa211923(office.11).aspx
            Microsoft.Office.Interop.Word.WdStoryType lngJunk = doc.Sections[1].Headers[WdHeaderFooterIndex.wdHeaderFooterPrimary].Range.StoryType;

            // Iterate through all story types in the current document
            foreach (Microsoft.Office.Interop.Word.Range rngStory in doc.StoryRanges)
            {

                // Iterate through all linked stories
                var internalRangeStory = rngStory;

                do
                {
                    searchAndReplaceInStory(internalRangeStory, findText, replaceText);

                    try
                    {
                        //   6 , 7 , 8 , 9 , 10 , 11 -- http://msdn.microsoft.com/en-us/library/aa211923(office.11).aspx
                        switch (internalRangeStory.StoryType)
                        {
                            case Microsoft.Office.Interop.Word.WdStoryType.wdEvenPagesHeaderStory: // 6
                            case Microsoft.Office.Interop.Word.WdStoryType.wdPrimaryHeaderStory:   // 7
                            case Microsoft.Office.Interop.Word.WdStoryType.wdEvenPagesFooterStory: // 8
                            case Microsoft.Office.Interop.Word.WdStoryType.wdPrimaryFooterStory:   // 9
                            case Microsoft.Office.Interop.Word.WdStoryType.wdFirstPageHeaderStory: // 10
                            case Microsoft.Office.Interop.Word.WdStoryType.wdFirstPageFooterStory: // 11

                                if (internalRangeStory.ShapeRange.Count > 0)
                                {
                                    foreach (Microsoft.Office.Interop.Word.Shape oShp in internalRangeStory.ShapeRange)
                                    {
                                        if (oShp.TextFrame.HasText != 0)
                                        {
                                            searchAndReplaceInStory(oShp.TextFrame.TextRange, findText, replaceText);
                                        }
                                    }
                                }
                                break;

                            default:
                                break;
                        }
                    }
                    catch
                    {
                        // On Error Resume Next
                    }

                    // ON ERROR GOTO 0 -- http://www.harding.edu/fmccown/vbnet_csharp_comparison.html

                    // Get next linked story (if any)
                    internalRangeStory = internalRangeStory.NextStoryRange;
                } while (internalRangeStory != null); // http://www.harding.edu/fmccown/vbnet_csharp_comparison.html
            }

        }

public static void getFileDocxInPdf()
        {
            // Create a new Microsoft Word application object
            Microsoft.Office.Interop.Word.Application word = new Microsoft.Office.Interop.Word.Application();

            // C# doesn't have optional arguments so we'll need a dummy value
            object oMissing = System.Reflection.Missing.Value;

            // Get list of Word files in specified directory
            DirectoryInfo dirInfo = new DirectoryInfo(@"D:\temp");
            FileInfo[] wordFiles = dirInfo.GetFiles("*.docx");

            word.Visible = false;
            word.ScreenUpdating = false;

            foreach (FileInfo wordFile in wordFiles)
            {
                // Cast as Object for word Open method
                Object filename = (Object)wordFile.FullName;

                // Use the dummy value as a placeholder for optional arguments
                Microsoft.Office.Interop.Word.Document doc = word.Documents.Open(ref filename, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing);
                doc.Activate();

                object outputFileName = wordFile.FullName.Replace(".docx", ".pdf");
                object fileFormat = WdSaveFormat.wdFormatPDF;

                // Save document into PDF Format
                doc.SaveAs(ref outputFileName,
                    ref fileFormat, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing);

                // Close the Word document, but leave the Word application open.
                // doc has to be cast to type _Document so that it will find the
                // correct Close method.                
                object saveChanges = WdSaveOptions.wdDoNotSaveChanges;
                ((_Document)doc).Close(ref saveChanges, ref oMissing, ref oMissing);
                doc = null;
            }

            // word has to be cast to type _Application so that it will find
            // the correct Quit method.
            ((_Application)word).Quit(ref oMissing, ref oMissing, ref oMissing);
            word = null;
        }

<body>
    <div class="container">
        <section class="content" id="mission">
            <h1>Our Commitment <small>to you</small></h1>
            <p>Wisdom Pet Medicine strives to blend the best in traditional and
                <em>alternative medicine</em> in the <strong>diagnosis and
                    treatment</strong> of companion animals including dogs,
                cats, birds, reptiles, rodents, and fish. We apply the wisdom
                garnered in the <mark>centuries old tradition</mark> of
                veterinary medicine, to find the safest treatments
                and&nbsp;cures.</p>
            <p>We strive to be your pet's medical <del>staff</del> experts from
                youth through the senior years. <small>We build preventative
                    health care plans for each and every one of our patients,
                    based on breed, age, and sex, so that your pet receives the
                    most appropriate care at crucial milestones.</small> We
                want to give your pet a long and healthy&nbsp;life.</p>
        </section>

        <section class="content" id="services">
            <h2>Exotic Pets</h2>
            <p>We offer <strong>specialized</strong> care for <em>reptiles,
                    rodents, birds,</em> and other exotic pets.</p>

            <h3>Grooming</h3>
            <p>Our therapeutic <span>grooming</span> treatments help battle
                fleas, allergic dermatitis, and other challenging skin
                conditions.</p>

            <h4>General Health</h4>
            <p>Wellness and senior exams, ultrasound, x-ray, and dental
                cleanings are just a few of our general health services.</p>

            <h5>Nutrition</h5>
            <p>Let our nutrition experts review your pet's diet and prescribe a
                custom nutrition plan for optimum health and disease
                prevention.</p>

            <h6>Pest Control</h6>
            <p>We offer the latest advances in safe and effective prevention
                and treatment of fleas, ticks, worms, heart worm, and other
                parasites.</p>

            <h2>Vaccinations</h2>
            <p>Our veterinarians are experienced in modern vaccination
                protocols that prevent many of the deadliest diseases in pets.</p>
        </section>
    </div>
</body>

<body>
    <div class="container">

<div class="h1">Test div class H1</div>

<div class="display-1">Test div class display-1</div>

<p class="lead">Testing a lead class</p>

<body>
    <div class="container">
        <section class="content" id="mission">
            <h1 class="text-center text-sm-right text-md-left text-uppercase">Our
                Commitment</h1>
            <p class="lead text-justify">Wisdom Pet Medicine strives to blend
                the best in
                traditional and <em>alternative medicine</em> in the <strong>diagnosis
                    and treatment</strong> of companion animals including dogs,
                cats, birds, reptiles, rodents, and fish. We apply the wisdom
                garnered in the <mark>centuries old tradition</mark> of
                veterinary medicine, to find the safest treatments
                and&nbsp;cures.</p>
            <p class="text-nowrap text-capitalize">We strive to be your pet's
                medical <del>staff</del>
                experts from
                youth through the senior years. <small>We build preventative
                    health care plans for each and every one of our patients,
                    based on breed, age, and sex, so that your pet receives the
                    most appropriate care at crucial milestones.</small> We
                want to give your pet a long and healthy&nbsp;life.</p>
        </section>

        <section class="content" id="services">
            <div class="display-4">Exotic Pets</div>
            <p>We <span class="font-weight-bold">offer</span> <strong class="font-weight-normal">specialized</strong>
                care for <em>reptiles,
                    rodents, birds,</em> and other exotic pets.</p>

            <h3 class="text-left text-md-center text-sm-right">Grooming</h3>
            <p>Our therapeutic <span>grooming</span> treatments help battle
                fleas, allergic dermatitis, and other challenging skin
                conditions.</p>

            <h4>General Health</h4>
            <p>Wellness and senior exams, ultrasound, x-ray, and dental
                cleanings are just a few of our general health services.</p>

            <h5>Nutrition</h5>
            <p>Let our nutrition experts review your pet's diet and prescribe a
                custom nutrition plan for optimum health and disease
                prevention.</p>

            <h6>Pest Control</h6>
            <p>We offer the latest advances in safe and effective prevention
                and treatment of fleas, ticks, worms, heart worm, and other
                parasites.</p>

            <h2>Vaccinations</h2>
            <p>Our veterinarians are experienced in modern vaccination
                protocols that prevent many of the deadliest diseases in pets.</p>
        </section>
    </div>
</body>

<h1 class="text-right">Our Commitment <small>to you</small></h1>

<h1 class="text-center text-sm-right">Our Commitment <small>to you</small></h1>

<p class="lead text-justify">

<p class="text-nowrap">

<body>
    <div class="container">
        <section class="content" id="services">
            <h2>Exotic Pets</h2>
            <p>We offer <strong>specialized</strong> care for <em>reptiles,
                    rodents, birds,</em> and other exotic pets.</p>
            <ul class="list-unstyled">
                <li>Grooming</li>
                <li>General Health</li>
                <li>Nutrition</li>
                <li>Pest Control</li>
                <li>Vaccinations</li>
            </ul>

            <ul class="list-inline">
                <li class="list-inline-item">Grooming</li>
                <li class="list-inline-item">General Health</li>
                <li class="list-inline-item">Nutrition</li>
                <li class="list-inline-item">Pest Control</li>
                <li class="list-inline-item">Vaccinations</li>
            </ul>
        </section>
    </div>
</body>

<body>
    <div class="container">
        <section class="content" id="testimonials">
            <h2>Testimonials</h2>

            <blockquote>
                During the summer, our rabbit, Tonto, began to have severe
                redness and itching on his belly and feet. I'm very thankful to
                the veterinarians and staff at Wisdom for the excellent care
                Tonto received, and for nipping his allergies in the bud, so to
                speak.
                Jane
            </blockquote>

            <blockquote class="blockquote text-right">
                When Samantha, our Siamese cat, began sleeping all the time and
                urinating excessively, we brought her to see the specialists at
                Wisdom. Now, two years later, Samantha is still free from any
                complications of diabetes, and her blood sugar regularly tests
                normal.
                <div class="blockquote-footer">
                    The McPhersons
                </div>
            </blockquote>
        </section>
    </div>
</body>

<body>
    <div class="container">
        <section class="content" id="services">
            <h2 class="text-danger">Our Mission</h2>
            <p class="bg-danger text-white">Wisdom Pet Medicine strives to
                blend the best in
                traditional and
                alternative medicine in the diagnosis and treatment of
                companion animals including dogs, cats, birds, reptiles,
                rodents, and fish. We apply the wisdom garnered in the
                centuries old tradition of veterinary medicine, to find the
                safest treatments and cures.</p>

            <ul>
                <li><a class="text-warning" href="#">Grooming</a></li>
                <li><a href="#">General Health</a></li>
                <li><a href="#">Nutrition</a></li>
                <li><a href="#">Pest Control</a></li>
                <li><a href="#">Vaccinations</a></li>
            </ul>

        </section>

        <section class="content" id="testimonials">
            <h2>Testimonials</h2>

            <blockquote class="blockquote bg-faded text-info">
                During the summer, our rabbit, Tonto, began to have severe
                redness and itching on his belly and feet. I'm very thankful to
                the veterinarians and staff at Wisdom for the excellent care
                Tonto received, and for nipping his allergies in the bud, so to
                speak.
                <div class="blockquote-footer">
                    Jane
                </div>
            </blockquote>
        </section>
    </div>
</body>

<p class="bg-danger text-white">

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