---
title: PDFDisplayBox.trimBox
framework: pdfkit
role: symbol
role_heading: Case
path: pdfkit/pdfdisplaybox/trimbox
---

# PDFDisplayBox.trimBox

A rectangle defining the intended boundaries of the finished page. Default value equal to kPDFDisplayBoxCropBox.

## Declaration

```swift
case trimBox
```

## See Also

### Constants

- [PDFDisplayBox.mediaBox](pdfkit/pdfdisplaybox/mediabox.md)
- [PDFDisplayBox.cropBox](pdfkit/pdfdisplaybox/cropbox.md)
- [PDFDisplayBox.bleedBox](pdfkit/pdfdisplaybox/bleedbox.md)
- [PDFDisplayBox.artBox](pdfkit/pdfdisplaybox/artbox.md)