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// Open document
Document pdfDocument = new Document(dataDir + "merged.pdf");

// Create page number stamp
com.aspose.pdf.PageNumberStamp pageNumberStamp = new com.aspose.pdf.PageNumberStamp();

// Whether the stamp is background
pageNumberStamp.setBackground(false);
pageNumberStamp.setFormat("Page # of " + pdfDocument.getPages().size());
pageNumberStamp.setBottomMargin (10);

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// Load an image using the RasterImage class
Aspose.Imaging.RasterImage rasterImage = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load("aspose_logo.jpg");

// Cache the image for better performance
if (!rasterImage.IsCached)
{
    rasterImage.CacheData();
}

// Set the coordinates with the Rectangle class

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// Load input Word documents
Aspose.Words.Document doc1 = new Aspose.Words.Document("Input.docx");
Aspose.Words.Document doc2 = new Aspose.Words.Document("Input1.docx");

// Merge Word DOCX documents
doc1.AppendDocument(doc2, Aspose.Words.ImportFormatMode.KeepSourceFormatting);

// Save merged document as DOCX file
doc1.Save("merged.docx", Aspose.Words.SaveFormat.Docx);

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// Create instance of OCR API
com.aspose.ocr.AsposeOCR api = new com.aspose.ocr.AsposeOCR();

// Specify recognition settings
com.aspose.ocr.RecognitionSettings settings = new com.aspose.ocr.RecognitionSettings();
settings.setDetectAreasMode(com.aspose.ocr.DetectAreasMode.PHOTO);
settings.setUpscaleSmallFont(true);

// Set processing filters
com.aspose.ocr.PreprocessingFilter filters = new com.aspose.ocr.PreprocessingFilter();

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// Load Excel file
Workbook wb = new Workbook("workbook.xlsx");

// Get all worksheets
WorksheetCollection collection = wb.getWorksheets();

// Loop through all the worksheets
for (int worksheetIndex = 0; worksheetIndex < collection.getCount(); worksheetIndex++) {

  // Get worksheet using its index

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// Load the source HTML file
using (Converter converter = new Converter("input.html"))
{
    // Set the convert options for XLS format
    GroupDocs.Conversion.Options.Convert.SpreadsheetConvertOptions options = new GroupDocs.Conversion.Options.Convert.SpreadsheetConvertOptions()
    {
        PagesCount = 1,
        Format = GroupDocs.Conversion.FileTypes.SpreadsheetFileType.Xls
    };

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// Load the source DOCX file
using (Converter converter = new Converter("sample.docx"))
{
    // Set custom properties of PresentationConvertOptions class
    GroupDocs.Conversion.Options.Convert.PresentationConvertOptions options = new GroupDocs.Conversion.Options.Convert.PresentationConvertOptions
    {
        PageNumber = 2,
        PagesCount = 1,
        Format = GroupDocs.Conversion.FileTypes.PresentationFileType.Ppt
    };

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// Load the desired workbook from disk
Workbook workbook = new Workbook(dataDir + "Data.xlsx");

// Save the workbook to Memory Stream in HTML format
MemoryStream ms = new MemoryStream();
workbook.Save(ms, Aspose.Cells.SaveFormat.Html);
ms.Position = 0;

// Define a StreamReader object with the above MemoryStream
StreamReader sr = new StreamReader(ms);

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// Initialize PDF output stream
using (System.IO.Stream pdfStream = System.IO.File.Open(dataDir + "XPStoDOCX.pdf", System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.Write))
{

    // Initialize XPS input stream
    System.IO.Stream xpsStream = System.IO.File.Open(dataDir + "sample.xps", System.IO.FileMode.Open);

    // Load input XPS document
    Aspose.Page.XPS.XpsDocument document = new Aspose.Page.XPS.XpsDocument(xpsStream, new Aspose.Page.XPS.XpsLoadOptions());

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// Instantiate linear barcode object, Set the Code text and symbology type for the barcode
Aspose.BarCode.Generation.BarcodeGenerator generator = new Aspose.BarCode.Generation.BarcodeGenerator(Aspose.BarCode.Generation.EncodeTypes.Code39Standard, "1234567890");

// Creating memory stream and save barcode image to memory stream
Stream ms = new MemoryStream();
generator.Save(ms, Aspose.BarCode.Generation.BarCodeImageFormat.Bmp);

// Create a new Word document
Aspose.Words.Document doc = new Aspose.Words.Document();