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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)

## Relationships

### Conforms To

[`CMBodyIdentifiable`](/documentation/CoreMotion/CMBodyIdentifiable)

[`NSAccessibilityElementProtocol`](/documentation/AppKit/NSAccessibilityElementProtocol)

[`UIFocusItemContainer`](/documentation/UIKit/UIFocusItemContainer)

[`Hashable`](/documentation/Swift/Hashable)

[`UIPasteConfigurationSupporting`](/documentation/UIKit/UIPasteConfigurationSupporting)

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSCoding`](/documentation/Foundation/NSCoding)

[`UIUserActivityRestoring`](/documentation/UIKit/UIUserActivityRestoring)

[`UIFocusItem`](/documentation/UIKit/UIFocusItem)

[`UITraitChangeObservable-67e94`](/documentation/UIKit/UITraitChangeObservable-67e94)

[`UIAppearanceContainer`](/documentation/UIKit/UIAppearanceContainer)

[`CLBodyIdentifiable`](/documentation/CoreLocation/CLBodyIdentifiable)

[`NSAccessibilityProtocol`](/documentation/AppKit/NSAccessibilityProtocol)

[`UILargeContentViewerItem`](/documentation/UIKit/UILargeContentViewerItem)

[`NSTouchBarProvider`](/documentation/AppKit/NSTouchBarProvider)

[`NSUserActivityRestoring`](/documentation/AppKit/NSUserActivityRestoring)

[`UIAppearance`](/documentation/UIKit/UIAppearance)

[`Sendable`](/documentation/Swift/Sendable)

[`UITraitEnvironment`](/documentation/UIKit/UITraitEnvironment)

[`NSUserInterfaceItemIdentification`](/documentation/AppKit/NSUserInterfaceItemIdentification)

[`UICoordinateSpace`](/documentation/UIKit/UICoordinateSpace)

[`CALayerDelegate`](/documentation/QuartzCore/CALayerDelegate)

[`UIPopoverPresentationControllerSourceItem`](/documentation/UIKit/UIPopoverPresentationControllerSourceItem)

[`UIDynamicItem`](/documentation/UIKit/UIDynamicItem)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`UIAccessibilityIdentification`](/documentation/UIKit/UIAccessibilityIdentification)

[`NSAppearanceCustomization`](/documentation/AppKit/NSAppearanceCustomization)

[`UIResponderStandardEditActions`](/documentation/UIKit/UIResponderStandardEditActions)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`UIActivityItemsConfigurationProviding`](/documentation/UIKit/UIActivityItemsConfigurationProviding)

[`NSAnimatablePropertyContainer`](/documentation/AppKit/NSAnimatablePropertyContainer)

[`UIFocusEnvironment`](/documentation/UIKit/UIFocusEnvironment)

[`NSDraggingDestination`](/documentation/AppKit/NSDraggingDestination)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`NSStandardKeyBindingResponding`](/documentation/AppKit/NSStandardKeyBindingResponding)

### Inherits From

[`NSView`](/documentation/AppKit/NSView)

[`UIView`](/documentation/UIKit/UIView)

---

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