Instance Property

dataSource

The preview panel data source.

Declaration

unowned(unsafe) var dataSource: QLPreviewPanelDataSource! { get set }

See Also

Managing the Preview Items

func reloadData()

Asks the preview panel to reload its data from its data source.

func refreshCurrentPreviewItem()

Asks the preview panel to recompute the preview of the current preview item.

var currentPreviewItemIndex: Int

The index of the current preview item.

var currentPreviewItem: QLPreviewItem!

The currently previewed item.

var displayState: Any!

The preview panel’s display state.