VintaSoft Imaging .NET SDK v8.6
Vintasoft.Imaging.Pdf Namespace / PdfDocument Class
Members Example



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    PdfDocument Class
    In This Topic
    Represents a PDF document.
    Object Model
    PdfDocument ClassPdfDocumentAdditionalActions ClassPdfAttachmentCollection ClassPdfBookmarkCollection ClassPdfBookmark ClassPdfDocumentCatalog ClassDecodingSettings ClassPdfDocumentInformation ClassPdfEmbeddedFileSpecificationDictionary ClassPdfEmbeddedFileSpecification ClassEncryptionSystem ClassPdfDeveloperExtensionDictionary ClassPdfDeveloperExtension ClassPdfFontManager ClassFontProgramsControllerBase ClassPdfFormat ClassPdfDocumentInteractiveForm ClassPdfJavaScriptActionDictionary ClassPdfJavaScriptAction ClassPdfAction ClassPdfDestinationBase ClassPdfOptionalContentConfiguration ClassPdfOptionalContentProperties ClassPdfPageCollection ClassPdfPage ClassPdfRenderingSettings ClassPdfDocumentViewerPreferences Class
    Syntax
    'Declaration
     
    Public NotInheritable Class PdfDocument 
    public sealed class PdfDocument 
    public __gc __sealed class PdfDocument 
    public ref class PdfDocument sealed 
    Remarks
    This class adds the following string resources in Vintasoft.Imaging.ImagingEnvironment.ResourceManager
    • "PDFDOCUMENT_GET_FONTS" = "Get document fonts"
    Example
    This example shows how to get information about PDF document.
    Public Shared Sub GetInfoAboutPDF(filename As String)
        ' open PDF document
        Using document As New Vintasoft.Imaging.Pdf.PdfDocument(filename)
            ' show information about PDF document
            If document.IsEncrypted Then
                System.Console.WriteLine(String.Format("Encryption  : {0}", document.EncryptionSystem))
            End If
            System.Console.WriteLine(String.Format("Pages count : {0}", document.Pages.Count))
            System.Console.WriteLine(String.Format("Title       : {0}", document.DocumentInformation.Title))
            System.Console.WriteLine(String.Format("Author      : {0}", document.DocumentInformation.Author))
            System.Console.WriteLine(String.Format("Creator     : {0}", document.DocumentInformation.Creator))
            System.Console.WriteLine(String.Format("Producer    : {0}", document.DocumentInformation.Producer))
            System.Console.WriteLine(String.Format("Subject     : {0}", document.DocumentInformation.Subject))
            If document.DocumentInformation.CreationDate <> System.DateTime.MinValue Then
                System.Console.WriteLine(String.Format("CreationDate: {0}", document.DocumentInformation.CreationDate))
            End If
            If document.DocumentInformation.ModifyDate <> System.DateTime.MinValue Then
                System.Console.WriteLine(String.Format("ModifyDate  : {0}", document.DocumentInformation.ModifyDate))
            End If
                
            ' for each page of PDF document
            Dim page As Vintasoft.Imaging.Pdf.Tree.PdfPage
            For i As Integer = 0 To document.Pages.Count - 1
                ' show information about PDF page
                System.Console.WriteLine()
                page = document.Pages(i)
                System.Console.WriteLine(String.Format("Page {0}:", i))
                System.Console.WriteLine(String.Format(" - Size (in units)    = {0}", page.Size))
                System.Console.WriteLine(String.Format(" - Default Resolution = {0}", page.DefaultResolution))
                Dim images As Vintasoft.Imaging.Pdf.Tree.PdfImageResource() = page.GetImages()
                If images.Length > 0 Then
                    System.Console.WriteLine(String.Format(" - Contains {0} images.", images.Length))
                End If
                If page.Thumbnail IsNot Nothing Then
                    System.Console.WriteLine(" - Contains thumbnail.")
                End If
                If page.IsImageOnly Then
                    System.Console.WriteLine(" - Is image only page.")
                End If
            Next
        End Using
    End Sub
    public static void GetInfoAboutPDF(string filename)
    {
        // open PDF document
        using (Vintasoft.Imaging.Pdf.PdfDocument document = 
            new Vintasoft.Imaging.Pdf.PdfDocument(filename))
        {
            // show information about PDF document
            if (document.IsEncrypted)
                System.Console.WriteLine(string.Format("Encryption  : {0}", document.EncryptionSystem));
            System.Console.WriteLine(string.Format("Pages count : {0}", document.Pages.Count));
            System.Console.WriteLine(string.Format("Title       : {0}", document.DocumentInformation.Title));
            System.Console.WriteLine(string.Format("Author      : {0}", document.DocumentInformation.Author));
            System.Console.WriteLine(string.Format("Creator     : {0}", document.DocumentInformation.Creator));
            System.Console.WriteLine(string.Format("Producer    : {0}", document.DocumentInformation.Producer));
            System.Console.WriteLine(string.Format("Subject     : {0}", document.DocumentInformation.Subject));
            if (document.DocumentInformation.CreationDate != System.DateTime.MinValue)
                System.Console.WriteLine(string.Format("CreationDate: {0}", document.DocumentInformation.CreationDate));
            if (document.DocumentInformation.ModifyDate != System.DateTime.MinValue)
                System.Console.WriteLine(string.Format("ModifyDate  : {0}", document.DocumentInformation.ModifyDate));
                
            // for each page of PDF document
            Vintasoft.Imaging.Pdf.Tree.PdfPage page;
            for (int i = 0; i < document.Pages.Count; i++)
            {
                // show information about PDF page
                System.Console.WriteLine();
                page = document.Pages[i];
                System.Console.WriteLine(string.Format("Page {0}:", i));
                System.Console.WriteLine(string.Format(" - Size (in units)    = {0}", page.Size));
                System.Console.WriteLine(string.Format(" - Default Resolution = {0}", page.DefaultResolution));
                Vintasoft.Imaging.Pdf.Tree.PdfImageResource[] images = page.GetImages();
                if (images.Length > 0)
                    System.Console.WriteLine(string.Format(" - Contains {0} images.", images.Length));
                if (page.Thumbnail != null)
                    System.Console.WriteLine(" - Contains thumbnail.");
                if (page.IsImageOnly)
                    System.Console.WriteLine(" - Is image only page.");
            }
        }
    }
    Inheritance Hierarchy

    System.Object
       Vintasoft.Imaging.Pdf.PdfDocument

    Requirements

    Target Platforms: Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server 2012, Windows Server 2008, Windows Server 2003

    See Also