ค้นหา PDF ผ่าน C#

var inputFile = Path.Combine(dataDir, "SearchAndGetTextFromAll.pdf");
var pdfDocument = new Aspose.Pdf.Document(inputFile);
var searchText = "text";
var textFragmentAbsorber = new Aspose.Pdf.Text.TextFragmentAbsorber(searchText);

pdfDocument.Pages.Accept(textFragmentAbsorber);

foreach (var textFragment in textFragmentAbsorber.TextFragments)
{
    Console.WriteLine("Text : {0} ", textFragment.Text);
    Console.WriteLine("Position : {0} ", textFragment.Position);
    Console.WriteLine("XIndent : {0} ", textFragment.Position.XIndent);
    Console.WriteLine("YIndent : {0} ", textFragment.Position.YIndent);
    Console.WriteLine("Font - Name : {0}", textFragment.TextState.Font.FontName);
    Console.WriteLine("Font - IsAccessible : {0} ", textFragment.TextState.Font.IsAccessible);
    Console.WriteLine("Font - IsEmbedded : {0} ", textFragment.TextState.Font.IsEmbedded);
    Console.WriteLine("Font - IsSubset : {0} ", textFragment.TextState.Font.IsSubset);
    Console.WriteLine("Font Size : {0} ", textFragment.TextState.FontSize);
    Console.WriteLine("Foreground Color : {0} ", textFragment.TextState.ForegroundColor);
}