<PDF reader>.AddWatermark (Function) Adds a watermark to all the pages of a PDF file in a PDF Reader control. <PDF reader>.GetSignature (Function) Gets the signature of a PDF document as a buffer. <PDF reader>.GetSignatureDate (Function) Gets the date of one of the signatures of a PDF document. <PDF reader>.NbSignatures (Function) Gets the number of signatures in a PDF Reader control. <pdfDocument variable>.AddWatermark (Function) Adds a watermark to all the pages of an existing PDF file. <pdfDocument variable>.Extract (Function) Creates a new PDF document from individual pages extracted from an existing PDF file. <pdfDocument variable>.ExtractPage (Function) Extracts a page from a PDF file in a variable of type Image. <pdfDocument variable>.GetSignature (Function) Gets the signature of a PDF document as a buffer. <pdfDocument variable>.GetSignatureDate (Function) Gets the date of one of the signatures of a PDF document. <pdfDocument variable>.NbSignatures (Function) Gets the number of signatures in a PDF document. <pdfDocument variable>.Save (Function) Saves the content of a pdfDocument variable in a ".PDF" file. <pdfDocument variable>.Sign (Function) Adds an approval signature to an existing PDF. <pdfDocument variable>.ToText (Function) Extracts text from a PDF file. <pdfDocument variable>.VerifySignatures (Function) Checks the validity of PDF signatures. Note: This function is only available from version 2025 Update 1. <pdfPage variable>.AddImage (Function) Adds an image to a page in an existing PDF file. <pdfPage variable>.AddWatermark (Function) Adds a watermark to a page of an existing PDF file. Manipulating PDF files PDF is one of the most widely used formats for sending and storing electronic documents... Parameters of the procedure used by PDFVerifySignatures WLanguage procedure ("callback") called by PDFVerifySignatures, executed when an invalid signature is detected in a PDF document. PDF file functions PDF file functions PDF file functions (prefix syntax) PDF file functions PDFAddImage (Function) Adds an image to a page in an existing PDF file. PDFAddWatermark (Function) Adds a watermark to all or some pages of an existing PDF file. pdfAttachment (Variable type) The pdfAttachment type is used to define all the advanced characteristics of an attachment in a PDF document. pdfBookmark (Variable type) The pdfBookmark type is used to define all the advanced characteristics of a bookmark in a PDF document. PDFClose (Function) Closes the PDF file loaded in memory in a pdfDocument variable. pdfControl (Variable type) The pdfControl type is used to get all the characteristics and values of a control present in a PDF form. PDFControlInfoXY (Function) Returns the characteristics of an interactive control currently hovered over in a PDF Reader control. This new function is available from WINDEV Suite SaaS 2025 - Update 3. pdfControlOption (Variable type) The pdfControlOption type is used to get and set the following characteristics of an option of a control present in a PDF form: option text. selected or deselected state of the option. pdfDocument (Variable type) The pdfDocument type is used to get all the characteristics of a PDF file, including author, date created, page content, etc. PDFExtract (Function) Creates a new PDF document from individual pages extracted from an existing PDF file. PDFExtractPage (Function) Extracts a page from a PDF file in a variable of type Image. PDFGetSignature (Function) Gets the signature of a PDF document as a buffer. PDFGetSignatureDate (Function) Gets the date of one of the signatures of a PDF document. PDFIsProtected (Function) Checks whether the PDF file requires a password to be read. 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. PDFMergeWithPassword (Function) Merges several password-protected PDF files into a single PDF file. PDFNbSignatures (Function) Gets the number of signatures in a PDF document. PDFNumberOfPages (Function) Returns the total number of pages in a PDF file. PDFOpen (Function) Opens a PDF document and loads it in a pdfDocument variable. pdfPage (Variable type) The pdfPage type is used to define all the advanced characteristics of a page from a PDF document loaded in memory. pdfParameter (Variable type) The pdfParameter type defines all the characteristics of the PDF file to be generated. PDFPassword (Function) Protects a PDF document with a password. pdfProtection (Variable type) The pdfProtection type allows you to identify the protection options applied to a PDF document present in a variable of type pdfDocument. This new variable type is available from WINDEV Suite SaaS 2025 Update 3. PDFSave (Function) Saves the content of a pdfDocument variable in a ".PDF" file. PDFSign (Function) Adds an approval signature to an existing PDF. pdfSignature (Variable type) The pdfSignature type is used to define the advanced characteristics of the signature that will be applied to a PDF file when signing an existing PDF (via PDFSign). pdfTextElement (Variable type) The pdfTextElement type is used to find out all the characteristics of a text element in a PDF page. PDFToText (Function) Extracts text from a PDF file. PDFVerifySignatures (Function) Checks the validity of PDF signatures. Note: This function is only available from version 2025 Update 1.