PdfMetadata

Provides access to PDF document metadata properties including standard document information dictionary fields and XMP metadata.

This class allows reading and writing of standard PDF metadata fields such as title, author, subject, and keywords, as well as custom metadata properties. All changes to metadata properties are immediately applied to the underlying PDF document.

using Nutrient;

The SDK creates this class through factory methods or other SDK objects.

Properties

Author

public string Author { get; set; }

The name of the person that created the document.

Type: string

CreationDate

public string CreationDate { get; }

The date and time the document was created.

Type: string

Creator

public string Creator { get; set; }

The name of the application that created the original document.

Type: string

Keywords

public string Keywords { get; set; }

The keywords associated with the document.

Type: string

ModificationDate

public string ModificationDate { get; }

The date and time the document was most recently modified.

Type: string

Producer

public string Producer { get; set; }

The name of the application that converted the document to PDF.

Type: string

Subject

public string Subject { get; set; }

The subject of the document.

Type: string

Title

public string Title { get; set; }

The title of the document.

Type: string

XMP

public string XMP { get; set; }

The XMP metadata stream of the document.

Type: string

Methods

GetCustomPDFInformation

public string GetCustomPDFInformation(string key)

Gets the value of a custom metadata property from the document information dictionary.

Parameters

Returns: string - The value of the custom property as a string. Returns an empty string if the property does not exist.

SetCustomPDFInformation

public void SetCustomPDFInformation(string key, string value)

Sets the value of a custom metadata property in the document information dictionary.

Parameters

Resource management

public void Dispose()

PdfMetadata implements IDisposable. Call Dispose() or use a C# using declaration to release its native handle right away. If you don’t, the handle is released when the object is garbage collected.