ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
<PDF reader>.GetSignatureDate (Function)
Gets the date of one of the signatures of a PDF document.
<PDF reader>.AddWatermark (Function)
Adds a watermark to all the pages of a PDF file in a PDF Reader control.
PDF file functions
PDF file functions
PDF printing: Special cases
Specific features of print in PDF format
State "form with input": input in a PDF form
The report editor can be used to create form reports, which include different controls allowing users to enter data...
Manipulating PDF files
PDF is one of the most widely used formats for sending and storing electronic documents...
<PDF reader>.GetSignature (Function)
Gets the signature of a PDF document as a buffer.
Printing to PDF
WINDEV, WEBDEV and WINDEV Mobile allow you to create a PDF file during a print...
PDF file functions (prefix syntax)
PDF file functions
<PDF reader>.NbSignatures (Function)
Gets the number of signatures in a PDF Reader control.
Image control in a window
This help page presents the characteristics of an Image control found in a window...
MarkdownToPDF (Function)
Converts a Markdown string (or buffer) to a buffer containing a PDF document.
PDFClose (Function)
Closes the PDF file loaded in memory in a pdfDocument variable.
<pdfPage variable>.AddImage (Function)
Adds an image to a page in an existing PDF file.
PDFMerge (Function)
Merges several PDF files into a single PDF file. Files are merged one after the other. The paths of the PDF files can be included in an array.
<pdfDocument variable>.GetSignatureDate (Function)
Gets the date of one of the signatures of a PDF document.
PDFControlInfoXY (Function)
Returns the characteristics of an interactive control currently hovered over in a PDF Reader control.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 3.
PageNumber (Property)
The PageNumber property is used to:
  • get and change the number of the page displayed in an Image control ("multi-page" image files)
  • get and change the page number of a PDF file displayed in an Image control of a window
  • get and change the page number of a PDF file displayed in the background of a report.
<pdfDocument variable>.VerifySignatures (Function)
Checks the validity of PDF signatures.
Note: This function is only available from version 2025 Update 1.
PDFAddImage (Function)
Adds an image to a page in an existing PDF file.
BitmapInfo (Function)
Retrieves the characteristics of an image file or the characteristics of a PDF file:
  • format.
  • width and height.
  • number of bits per pixel.
  • area of transparency.
  • alpha channel.
PDFPassword (Function)
Protects a PDF document with a password.
iAddAttachment (Function)
Adds an attachment in a PDF file generated by a PDF print export.
Report based on a form
The report editor gives you the ability to print reports on pre-printed forms (image file or PDF file)...
<pdfDocument variable>.AddWatermark (Function)
Adds a watermark to all the pages of an existing PDF file.
<pdfDocument variable>.NbSignatures (Function)
Gets the number of signatures in a PDF document.
OpenDocument (Function)
Opens a document in a new modeless window using the appropriate WINDEV editor.
Starting with WINDEV Suite 2025 - Update 2 (subscription version), diagrams are opened using the diagram editor.
iAddBookmark (Function)
Adds a bookmark in the report viewer or when exporting to PDF.
PDFVerifySignatures (Function)
Checks the validity of PDF signatures.
Note: This function is only available from version 2025 Update 1.
<Scanner variable>.ToPDF (Function)
Saves a document from a scanner to a PDF file.
PDFMergeWithPassword (Function)
Merges several password-protected PDF files into a single PDF file.
TwainToPDF (Function)
Allows:
  • save the document coming from the Twain device in a PDF file.
  • view the document coming from the Twain device in the user interface of device.
  • save the document coming from the Twain device directly in memory in PDF format (in a buffer).
PDFAddWatermark (Function)
Adds a watermark to all or some pages of an existing PDF file.
DocToPDF (Function)
Converts a Word Processing document into a PDF file.
<pdfDocument variable>.GetSignature (Function)
Gets the signature of a PDF document as a buffer.
<pdfPage variable>.AddWatermark (Function)
Adds a watermark to a page of an existing PDF file.
PDFOpen (Function)
Opens a PDF document and loads it in a pdfDocument variable.
ImageInfo (Function)
Retrieves the characteristics of an image file or the characteristics of a PDF file:
  • format.
  • width and height.
  • number of bits per pixel.
  • area of transparency.
PDFGetSignatureDate (Function)
Gets the date of one of the signatures of a PDF document.
iParameterPDF (Function)
Defines the options for the generated PDF file.
Print modes of a report
Several print modes are available for a report.
PDFGetSignature (Function)
Gets the signature of a PDF document as a buffer.
ScanToPDF (Function)
Saves a document from a scanner to a PDF file.
<Word Processing>.ToPDF (Function)
Converts a Word Processing document into a PDF file.
PDFNbSignatures (Function)
Gets the number of signatures in a PDF document.
Report viewer: "Export" pane
The "Export" pane in the report viewer allows you to perform the following operations...
PDF Reader control and PDF file management constants
PDF Reader control and PDF file management constants...
The PDF Reader control
The "PDF Reader" control is an advanced control that allows end users to view PDF documents...
<PDF Reader>.SeekFirst (Function)
Initializes the search for a text in a PDF file displayed by the PDF Reader control and positions...
<PDF Reader>.SeekPrevious (Function)
... of a PDF Reader control.
<PDF Reader>.Open (Function)
Opens a PDF file displayed in a PDF Reader control.
<PDF Reader>.Close (Function)
Closes and frees the PDF file displayed in a PDF Reader control.
<PDF Reader>.Highlight (Function)
Finds a text in the document displayed by a PDF Reader control and highlights the occurrences...
<PDF Reader>.SeekNext (Function)
Sets the position on the next result of a search in the content of a PDF Reader control.
PDF Reader control events
PDF Reader control functions
The following functions are used to manage PDF Reader controls:...
<PDF Reader>.RotatePage (Function)
Rotates a page displayed in the PDF Reader control.
<PDF reader>.InfoXY (Function)
For a given position (coordinates of a point) in a PDF Reader control, returns one...
<PDF reader>.GoToBookmark (Function)
Sets the position directly on the desired bookmark in the PDF document.
<PDF reader>.Save (Function)
Saves the content of a PDF Reader to a file.
PDF Reader control properties
You can manipulate PDF Reader controls in a window using the following WLanguage properties......
Handling PDF Reader controls programmatically
A PDF Reader control can be handled through programming......
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