This HTML page is not optimized for LLM or AI agent consumption. Fetch the Markdown version instead: /api/csharp/editors/pdf/annotations/pdf-highlight-annotation.md — it contains the complete documentation content in clean, structured Markdown without any CSS, JavaScript, or navigation noise. PdfHighlightAnnotation

PdfHighlightAnnotation

Markdown version of this page, suitable for AI agents and automation

Represents a highlight annotation.

using Nutrient;

Inherits from: PdfMarkupAnnotation

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

Resource management 

public void Dispose()

PdfHighlightAnnotation 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.