c# pdf library : Pdf email link application SDK tool html winforms wpf online accessible_pdf_webinar_session10-part2029

WCAG 2 Compliance With PDF 
Pdf email link - insert, remove PDF links in C#.net, ASP.NET, MVC, Ajax, WinForms, WPF
Free C# example code is offered for users to edit PDF document hyperlink (url), like inserting and deleting
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Help to Insert a Hyperlink to Specified PDF Document Page
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In This Presentation
1. Background of PDF Files & Accessibility
2. Methods for Creating Accessible PDF Docs
3. PDF & WCAG 2.0 Compliance
Principle 1: Perceivable
Principle 2: Operable
Principle 3: Understandable
Principle 4: Robust
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copy and email the secure download link to the assistance, please contact us via email (support@rasteredge & profession imaging controls, PDF document, image to
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RasterEdge Product Licensing Discount
s). After confirming the informations provided, we will send you an email that contains price(s) at a discount and the online order link for new licensing.
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Why PDF
Portability
Preservation of visual formatting and layout
Ideal format for long documents intended for 
printing
Easy to produce compared to HTML
Documents can be secured against editing
RasterEdge Product Renewal and Update
4. Order email. Our support team will send you the purchase link. HTML5 Viewer for .NET; XDoc.Windows Viewer for .NET; XDoc.Converter for .NET; XDoc.PDF for .NET;
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Examples of PDF use
Technical documents and manuals
Reports, especially with complex layouts, 
graphs, charts etc.
Forms, meant for print or online delivery
Scanners and other hardware that output PDF
Print and design industry
Large and/or complex documents published 
on web sites
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Link: Edit URL. Bookmark: Edit Bookmark. Metadata: Edit, Delete Metadata. Form Process. Free online Word to PDF converter without email.
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VB.NET Create PDF from Excel Library to convert xlsx, xls to PDF
Link: Edit URL. Bookmark: Edit Bookmark. Metadata: Edit, Delete Metadata. Form Process. Convert Excel to PDF document free online without email.
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PDF and accessibility
Can documents retain these advantages of 
layout, portability, security and still be 
accessible?
PDF documents support a logical, accessibles 
tructurethat is independant of the layout
Security used to cause an accessibility issue, not any 
more. Documents canbe securedagainst editing but 
still be accessible
Accessible PDFs can be produced quickly but, as with 
HTML, the source document must contain structure 
and semantics
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When is PDF not accessible?
A scanned image is still an image, with no 
information for screen readers unless the 
information is added
Same for PDF, HTML or any document format
PDF can support a wide array of accessibility 
information for all content elements, but 
these must be added, in the source document 
or in Acrobat
C# Create PDF from Excel Library to convert xlsx, xls to PDF in C#
Export PDF from Excel with cell border or no border. Free online Excel to PDF converter without email. Quick integrate online C# source code into .NET class.
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C# Create PDF from PowerPoint Library to convert pptx, ppt to PDF
application. Free online PowerPoint to PDF converter without email. C# source code is provided for .NET WinForms class. Evaluation
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Background of PDF Accessibility
Until 2001, PDF was not accessible:
Content not readable by AT
Each page was basically a flat image: 
▪ Scanned paper document
▪ Converted to image from source document 
Since then: PDF can (and should) be fully accessible
Accessible tag structure
Real text rather than image of text
Control over reading order
Text alternatives
Accessible form controls
PDF Accessibility: Tags
 A tagged document contains an underlying ‘tag tree’: 
 Represents the structure of your document
 Perceived by screen reader as document content
▪ Not tagged = not announced by AT
 Similar to tags in HTML
 Can be edited using the ‘Tags Panel’
 Always required for accessibility
 Enables typical screen reader 
features, such as:
▪ Heading navigation
▪ Table navigation
▪ Link lists
Creating Tagged PDF Documents
Different ‘paths’ leading to an accessible PDF doc:
Preferred method:
Conversion from accessible source document 
Authoring Application
• Tag structure
automaticallybuilt
Scanned Documents
• Requires OCR and 
tagging in Acrobat 
Pro
Existing PDF doc
• Must be tagged in 
Acrobat Pro
PDF and WCAG 2
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