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Leadtools.Pdf Assembly > Leadtools.Pdf Namespace > PDFFile Class : Linearize Method |
public void Linearize( string destinationFileName )
'Declaration
Public Sub Linearize( _ ByVal destinationFileName As String _ )
'Usage
Dim instance As PDFFile Dim destinationFileName As String instance.Linearize(destinationFileName)
public: void Linearize( String^ destinationFileName )
A Linearized PDF file is a file that has been organized in a special way to enable efficient, incremental access in a network environment. The first page of the PDF file is displayed in a user Web browser before the entire file is downloaded from the Web server.
To use this method, associate the PDFFile object with a valid PDF filename and optional password. Do this by either using the PDFFile(string fileName) or PDFFile(string fileName, string password) constructor or set the filename and optional password directly by setting the FileName and Password properties. It is not necessary to call Load before using this method.
This method will use the following properties of the PDFFile object:
DocumentProperties. If the value of this property is null, then default properties will be used.
CompatibilityLevel. The PDF version to be generated.
The following properties are not used by this method:
SecurityOptions. You cannot create encrypted linearized PDF files
Note: Currently, generating linearized PDF files with PDF/A compatibility level may result in a PDF file that is not compatible with Adobe Preflight.
This example will linearize a PDF (optimize it for Web viewing).
Imports Leadtools Imports Leadtools.Codecs Imports Leadtools.Pdf Imports Leadtools.WinForms Imports Leadtools.Svg Imports Leadtools.ImageProcessing <TestMethod> _ Public Sub PDFFileLinearizeExample() Dim sourceFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Leadtools.pdf") Dim destinationFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "LEAD_linearized.pdf") Dim pdfFile As PDFFile = New PDFFile(sourceFileName) pdfFile.Linearize(destinationFileName) ' Open the destination file in Adobe Acrobat and go to ' File/Properties. You should see the "Fast Web View" option as "Yes"; End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
using Leadtools; using Leadtools.Codecs; using Leadtools.Controls; using Leadtools.Drawing; using Leadtools.ImageProcessing; using Leadtools.Pdf; using Leadtools.Svg; using Leadtools.WinForms; [TestMethod] public void PDFFileLinearizeExample() { string sourceFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); string destinationFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_linearized.pdf"); PDFFile pdfFile = new PDFFile(sourceFileName); pdfFile.Linearize(destinationFileName); // Open the destination file in Adobe Acrobat and go to // File/Properties. You should see the "Fast Web View" option as "Yes"; } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }