Tilføj tekst- eller billedvandmærke til PDF-filer i C#-, ASP.NET-, VB.NET-, .NET Core-, Xamarin- og Mono-baserede applikationer. Brug avancerede vandmærkestyringsfunktioner til at tilføje forskellige vandmærketyper til PDF, Word, Excel, PowerPoint, Visio-diagrammer, e-mailvedhæftede filer, animerede GIF’er, flersidede TIFF- og rasterbilledformater uden brug af andet vandmærkeværktøj eller -software. Vælg at tilføje vandmærke til hele dokumentet, bestemte sider eller et bestemt afsnit på siderne, efter behov.
HentConholdate.Total for .NET gør det nemt for .NET-udviklere at tilføje billedvandmærke til PDF-filer ved at følge nogle få nemme trin.
Nedenstående kodeeksempel kræver GroupDocs.Watermark
navneområde for at indsætte billedvandmærke til PDF og andre understøttede dokumentformater på alle populære operativsystemer såsom Windows, Linux eller macOS, mens du bruger Windows Azure, Mono og Xamarin platforme.
Hent de respektive filer fra Hent eller hent hele pakken fra NuGet for at tilføje Conholdate.Total
direkte i dit arbejdsområde.
Nedenstående kodeeksempel viser, hvordan man tilføjer tekstvandmærke til en PDF-fil ved hjælp af et par linjer C#-kode. Det vil indsætte vandmærke på alle siderne i de understøttede dokumentformater.
.NET Watermark-biblioteket er en alt-i-en-vandmærkehåndteringsløsning til at indsætte forskellige typer tilpassede vandmærker til fotos, billeder og fortrolige dokumenter. Indstil vandmærke til alle vedhæftede filer i en PDF, e-mail eller en Excel-fil. Programmatisk beskyt tekstvandmærke i en PowerPoint-præsentation ved hjælp af ulæselige tegn.
De understøttede vandmærketyper omfatter XObject, Artifact, Annotation, Shape, tekst og billede.
PDF (Portable Document Format) is a widely used document file format developed by Adobe Systems in 1993. It was specifically designed to provide a platform-independent solution for storing and sharing documents across various operating systems and over the Internet. PDFs utilize a vector-based drawing model, storing graphical elements such as lines, shapes, and images as mathematical equations. This unique approach ensures that PDFs are resolution independent, guaranteeing consistent document quality regardless of the viewing device or program.
One of the key advantages of PDFs is their support for a range of security features. Encryption, password protection, digital signatures, and document watermarking are among the security measures available. These features make PDFs highly secure and suitable for sensitive documents, such as medical records, legal documents, government forms, and invoices. The printing industry also heavily relies on PDFs to facilitate electronic communication with customers.
Creating PDFs is a straightforward process, as they can be generated from various electronic document formats, including Word documents, PowerPoint presentations, and webpages. It’s important to note that PDFs are typically not editable directly. To modify the content of a PDF, it must first be converted to a different file format that supports editing. Numerous software programs, many of which are freely available for download, offer the functionality to convert PDFs to editable formats.
PDFs have gained immense popularity and have become a standard method for document sharing due to their versatility, security features, and consistent formatting. Their compatibility across different devices and operating systems ensures seamless document access for users. Additionally, PDFs preserve the layout, fonts, and images of the original document, making them an ideal choice for sharing visually rich content.
Lære(Portable Document Format)
(Word Processing Files)
(Spreadsheet Files)
(Digital Image Files)
(Email Files)
(Visio Diagram Files)
(Microsoft Word Binary Format)
(Office 2007+ Word Document)
(Microsoft Word 2007 Marco File)
(Microsoft Word Template Files)
(Microsoft Word 2007+ Template File)
(Microsoft Word Template File )
(Rich Text Format)
(Microsoft Excel Spreadsheet (Legacy))
(Macro-enabled Spreadsheet)
(Open XML Workbook)
(Excel 97 - 2003 Template)
(Excel Macro-Enabled Template)
(Excel Template)
(Microsoft PowerPoint 97-2003)
(Open XML presentation Format)
(Macro-enabled Presentation File)
(PowerPoint Slide Show)
(PowerPoint Slide Show)
(Macro-enabled Slide Show)
(Microsoft PowerPoint Template Files)
(Microsoft PowerPoint Template Presentation)
(Microsoft PowerPoint Template File)
(E-Mail Message)
(Apple Mail Message)
(Outlook File Template)
(Outlook Message Item File)
(OpenDocument Text File Format)
(Bitmap Image File)
(Graphical Interchange Format)
(Joint Photographic Expert Group Image)
(Joint Photographic Expert Group Image)
(JPEG 2000 Core Image)
(Portable Network Graphic)
(Tagged Image File Format)
(Raster Web Image Format)
(Visio Drawing File)
(Vector Design eXchange)
(Visio Macro-Enabled Drawing)
(Visio Drawing)
(Visio Stencil File)
(Visio SmartShape Master)
(Visio Stencil File)
(VST Audio Plugin)
(Visio Macro-Enabled Drawing Template)
(Visio Drawing Template)
(Visio Stencil XML File)
(Anim8or 3D Model)
(Outlook Offline Data File)
(Icon File)
(Scalar Vector Graphics)
(Compressed Scalable Vector Graphics)
(Photoshop Large Document Format)
(LaTeX Source Document)
(Truevision Graphics Adapter)
(XML Paper Specifications)
(OpenDocument Standard Format)
(OpenDocument Standard Format)
(OpenDocument Presentation Format)
(Text Document)
(Markdown Language)
(Photoshop Document)
(Comma Seperated Values)
(Data Interchange Format)
(Device Independent Bitmap)
(Web Files)
(Hypertext Markup Language File)
(MHTML Web Archive)
(DICOM Image)
(Windows Compressed Enhanced Metafile)
(Printer Command Language Document)
(Windows Metafile)
(Open eBook File)