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# PDFThumbnailView

An object that contains a set of thumbnails, each of which represents a page in a PDF document.

```
class PDFThumbnailView
```

## Topics

### Accessing the Associated PDF View

[`pdfView`](/documentation/PDFKit/PDFThumbnailView/pdfView)

Returns the `PDFView` object associated with the thumbnail view.

### Managing the Size of a Thumbnail View

[`thumbnailSize`](/documentation/PDFKit/PDFThumbnailView/thumbnailSize)

Returns the maximum width and height of the thumbnails in the thumbnail view.

### Working with Thumbnail View Display Characteristics

[`maximumNumberOfColumns`](/documentation/PDFKit/PDFThumbnailView/maximumNumberOfColumns)

Returns the maximum number of columns of thumbnails the thumbnail view can display.

[`labelFont`](/documentation/PDFKit/PDFThumbnailView/labelFont)

Returns the font used to label the thumbnails.

[`backgroundColor`](/documentation/PDFKit/PDFThumbnailView/backgroundColor)

Returns the color used in the background of the thumbnail view.

### Managing the Behavior of a Thumbnail View

[`allowsDragging`](/documentation/PDFKit/PDFThumbnailView/allowsDragging)

Returns a Boolean value indicating whether users can drag thumbnails (that is, re-order pages in the document) within the thumbnail view.

[`allowsMultipleSelection`](/documentation/PDFKit/PDFThumbnailView/allowsMultipleSelection)

Returns a Boolean value indicating whether users can select multiple thumbnails in the thumbnail view at one time.

[`selectedPages`](/documentation/PDFKit/PDFThumbnailView/selectedPages)

Returns an array of PDF pages that correspond to the selected thumbnails in the thumbnail view.

### Constants

[`PDFThumbnailViewDocumentEditedNotification`](/documentation/PDFKit/PDFThumbnailViewDocumentEditedNotification)

### Instance Properties

[`contentInset`](/documentation/PDFKit/PDFThumbnailView/contentInset)

[`layoutMode`](/documentation/PDFKit/PDFThumbnailView/layoutMode)


---

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