Sign documents with extra Digital Signature properties
GroupDocs.Signature contains DigitalSignatureAppearance class that implements extra settings for digital signature of Word Processing and Spreadsheets documents
Base signature options SignOptions property SignOptions.Appearance should be set with instance of DigitalSignatureAppearance class to provide additional digital signature look
Here are the steps to setup extra image appearance with GroupDocs.Signature:
- Create new instance of Signature class and pass source document path as a constructor parameter.
- Compose object ofDigitalSignatureAppearance object with all required additional options.
- Set SignOptions.Appearance property with DigitalSignatureAppearance object and set its properties
- Call Sign method of Signature class instance and pass SignOptions to it.
- Analyze SignResult result to check newly created signatures if needed.
This example shows how to setup extra digital signature look. See SignResult
using (Signature signature = new Signature("sample.docs"))
{
DigitalSignOptions options = new DigitalSignOptions("certificate.pfx")
{
// certifiate password
Password = "1234567890",
// digital certificate details
Reason = "Sign",
Contact = "JohnSmith",
Location = "Office1",
// image as digital certificate appearance on document pages
ImageFilePath = imagePath,
//
AllPages = true,
Width = 80,
Height = 60,
VerticalAlignment = VerticalAlignment.Bottom,
HorizontalAlignment = HorizontalAlignment.Right,
Margin = new Padding() { Bottom = 10, Right = 10 },
// Setup signature line appearance.
// This appearance will add Signature Line on the first page.
// Could be useful for .xlsx files.
Appearance = new DigitalSignatureAppearance("John Smith", "Title", "jonny@test.com")
};
signature.Sign("signed.docx", options);
}
Sign Pdf document with Text signature Sticker appearance
This example shows how to add Text signature to Pdf document with sticker look. See SignResult
using (Signature signature = new Signature("sample.docx"))
{
TextSignOptions options = new TextSignOptions("John Smith")
{
// set signature position
Left = 100,
Top = 100,
// set signature rectangle
Width = 100,
Height = 30,
// setup proper signature implementation
SignatureImplementation = TextSignatureImplementation.Sticker,
Appearance = new PdfTextStickerAppearance()
{
// select sticker icon
Icon = PdfTextStickerIcon.Star,
// setup if popup annotation will be opened by default
Opened = false,
// text content of an annotation
Contents = "Sample",
Subject = "Sample subject",
Title = "Sample Title"
},
// set signature alignment
VerticalAlignment = Domain.VerticalAlignment.Bottom,
HorizontalAlignment = Domain.HorizontalAlignment.Right,
Margin = new Padding() { Bottom = 20, Right = 20 },
// set text color and Font
ForeColor = Color.Red,
Font = new SignatureFont { Size = 12, FamilyName = "Comic Sans MS" },
};
// sign document to file
signature.Sign("signed.docx", options);
}
More resources
GitHub Examples
You may easily run the code above and see the feature in action in our GitHub examples:
- GroupDocs.Signature for .NET examples, plugins, and showcase
- GroupDocs.Signature for Java examples, plugins, and showcase
- Document Signature for .NET MVC UI Example
- Document Signature for .NET App WebForms UI Example
- Document Signature for Java App Dropwizard UI Example
- Document Signature for Java Spring UI Example
Free Online App
Along with full-featured .NET library we provide simple, but powerful free Apps.
You are welcome to eSign PDF, Word, Excel, PowerPoint documents with free to use online GroupDocs Signature App.