
'Declaration Public NotInheritable Class PdfDocument
public sealed class PdfDocument
public __gc __sealed class PdfDocument
public ref class PdfDocument sealed
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."); } } }
System.Object
Vintasoft.Imaging.Pdf.PdfDocument
Target Platforms: .NET 6; .NET 5; .NET Core 3.1; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5