Digitally Sign WMF Files in C# .NET, Xamarin & Mono

Add Digital Signatures to WMF in C#

Conholdate.Total for .NET supports signing WMF documents with digital signatures using a few lines of C# .NET code.

Instantiate Signature with input (WMF) document
Instantiate DigitalSignOptions object with certificate details & password
Call Sign method of Signature class and pass DigitalSignOptions to it

Download Digital Signature API

Signing digital documents requires GroupDocs.Signature namespace. You can download the respective files or fetch the whole package directly from NuGet.

Sign your digtial documents with Barcode, Text, Image, Metadata, QR Code, Form Field and stamp signatures on operating systems such as Windows, Linux or macOS while using platforms such as Windows Azure, Mono and Xamarin.

Add Image Signatures to WMF in C# .NET

Programmatically add digital image signatures to WMF documents in C# .NET applications. Create custom images, company logos, names, stamps or icons with advanced affects using the electronic signature API.

Instantiate Signature with input (WMF) document
Instantiate ImageSignOptions object as required and specify image signature options
Call Sign method of Signature class and pass ImageSignOptions to it

WMF Document Information Extraction

The documents information extraction API not only allows getting the basic information about the source document file (WMF) but it also supports extracting some valuable document information such as file type, file size, pages count, page height and width etc.

Add custom digital signatures to document formats on different operating systems such as Windows, Linux or macOS while using platforms such as Windows Azure, Mono and Xamarin.

Add Barcode Signatures to WMF in C# .NET

Digitally sign WMF documents with barcode or QR-code signatures in any type of .NET application. Add 60+ popular barcode types (machine-readable form) as electronic signatures to a wide range of digital documents and image formats.

Instantiate Signature with input (WMF) document
Instantiate BarcodeSignOptions object as per requirementand specify barcode signature type
Specify barcode signature type and set Text property value
Call Sign method of Signature class and pass BarcodeSignOptions to it

Load & Sign Remotely Located Documents

The document eSign API enables you to render remotely located documents from various cloud document storage sources such as stream, local disk, URL, FTP, Amazon S3, and Azure Blob storage. The document preview feature enables you to get the image representation of the document pages that can be useful to preview and adjust the position of digital signature inside the document.

Get the document preview of whole document or some specific page numbers in PNG, JPG or BMP image formats.

What is WMF file format?

WMF (Windows Metafile Format) is a popular vector graphics file format that was originally created by Microsoft. WMF files are used to store 2D vector and bitmap images, including drawn objects and text. They are commonly created in other programs and then imported into various Microsoft applications, such as Word, PowerPoint, and Publisher. WMF files are known for their versatility and compatibility with a wide range of programs and operating systems.

One of the primary advantages of WMF files is that they are highly scalable. They can be resized without any loss of quality, making them ideal for use in a variety of applications, including print design and desktop publishing. WMF files can also be edited and modified using a variety of software programs, including Adobe Illustrator and CorelDRAW.

Despite their popularity, WMF files have been superseded by the Enhanced Metafile (EMF) format, which provides additional functionality and features. The EMF format is designed to provide better support for more advanced graphics, such as gradients, patterns, and transparency. However, WMF files are still widely used and remain a popular choice for many designers and professionals.

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Digitally Sign WMF in C# .NET