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PDF Reader control and PDF file management constants
The following constants are used by the functions for managing PDF Reader controls: | | | | Constant | Detail | Function or type of variable |
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| dispWithCoverPage | Page display mode in the PDF reader used: considers the first page of the PDF file as a cover page. The first page is displayed on the right when the page display is in 2-page mode. | pdfParameter type | | dispEnableScrolling | Page display mode in the PDF reader used: Dequeue display: Displays pages in an uninterrupted vertical column occupying the width of a page. Scrolling can be enabled for both 1-page and 2-page display modes. | pdfParameter type | | dispDefault | Page display mode in the PDF reader used: Default display. | pdfParameter type | | dispTwoPage | Page display mode in the PDF reader used: Display of two pages at a time, side by side from the PDF file in the PDF reader. | pdfParameter type | | dispSinglePage | Page display mode in the PDF reader used: Display of a single page at a time from the PDF file in the PDF reader.. Margins are not displayed. | pdfParameter type |  New in version 2025pdfCertificateExpired | The signature certificate has expired. Attention This constant is only available from version 2025 Update 1. | Procedure parameters used by the PDFVerifySignatures function | | pdfXCoord | X-coordinate of the specified position on the page (expressed in millimetres). | PDFReaderInfoXY | | pdfYCoord | Y-coordinate of the specified position on the page (expressed in millimetres). | PDFReaderInfoXY | | pdfColor | Color management in PDF files: Create a full-color PDF file. | pdfParameter type | New in version 2025pdfModifiedAfterSignature | PDF modified after signature. Attention This constant is only available from version 2025 Update 1. | Procedure parameters used by the PDFVerifySignatures function | | pdfGrayscale | Color management in PDF files: Create a black & white PDF file. | pdfParameter type | | pdfPageNumber | Number of the page that contains the specified position. | PDFReaderInfoXY | | pdfOriginScreen | Changes the origin to calculate a position in the PDF Reader control. | PDFReaderInfoXY | New in version 2025pdfSignatureInvalid | The signature is invalid. Attention This constant is only available from version 2025 Update 1. | Procedure parameters used by the PDFVerifySignatures function | | rotationAnticlockwise | Rotates the page -90 degrees. | PDFReaderRotatePage | | rotationClockwise | Rotates the page 90 degrees. | PDFReaderRotatePage | | zoomFitVisible | Default zoom applied to PDF file when opened: Zoom to content. | pdfParameter type | | zoomDefault | Default zoom applied to PDF file when opened: Default zoom. | pdfParameter type | | zoomFullPage | Zoom applied by default to the PDF file when it is opened: Zoom to display an entire page. | pdfParameter type | | zoomFullHeight | Default Zoom applied to the PDF file when it is opened: Zoom to display the entire page at its full height. | pdfParameter type | | zoomFullWidth | Default Zoom applied to the PDF file when it is opened: Zoom to display the entire page width. | pdfParameter type | | zoomActualSize | Default Zoom applied to the PDF file when it is opened: Zoom at 100%/. | pdfParameter type |
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