QLPreviewPanelMBS.didLoadPreviewItem(file as folderitem)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
event	QuickLook	MBS MacFrameworks Plugin	11.2	✅ Yes	❌ No	❌ No	❌ No

This event is called after an item has been loaded.

QLPreviewPanelMBS.handleEvent(e as NSEventMBS) as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
event	QuickLook	MBS MacFrameworks Plugin	9.6	✅ Yes	❌ No	❌ No	❌ No

Invoked by the preview panel when it receives an event it doesn't handle.

Returns true if you did not handle this event.

Some examples using this event:

• /MacFrameworks/QuickLook/QuickLook Panel

QLPreviewPanelMBS.numberOfPreviewItems as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
event	QuickLook	MBS MacFrameworks Plugin	9.6	✅ Yes	❌ No	❌ No	❌ No

The event called to ask you for the number of items that the preview panel should preview.

Some examples using this event:

• /MacFrameworks/QuickLook/QuickLook Panel

QLPreviewPanelMBS.previewItemAtIndex(index as Integer) as folderitem

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
event	QuickLook	MBS MacFrameworks Plugin	9.6	✅ Yes	❌ No	❌ No	❌ No

The event is called to ask you for the item with the given index.

Some examples using this event:

• /MacFrameworks/QuickLook/QuickLook Panel

QLPreviewPanelMBS.sourceFrameOnScreenForPreviewItem(file as folderitem) as NSRectMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
event	QuickLook	MBS MacFrameworks Plugin	9.6	✅ Yes	❌ No	❌ No	❌ No

Invoked when the preview panel opens or closes to provide a zoom effect.

Return a zero rect if there is no origin point, this will produce a fade of the panel. The coordinates are screen based.

Some examples using this event:

• /MacFrameworks/QuickLook/QuickLook Panel

QLPreviewPanelMBS.transitionImageForPreviewItem(file as folderitem, byref contentRect as NSRectMBS) as NSImageMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
event	QuickLook	MBS MacFrameworks Plugin	9.6	✅ Yes	❌ No	❌ No	❌ No

Called to ask you for the transition image for a given preview item.

Invoked when the preview panel opens or closes to provide a smooth transition when zooming.

contentRect: The rect within the image that actually represents the content of the document. For example, for icons the actual rect is generally smaller than the icon itself.

Return an image the panel will crossfade with when opening or closing. You can specify the actual "document" content rect in the image in contentRect.

QLPreviewPanelMBS.willLoadPreviewItem(file as folderitem)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
event	QuickLook	MBS MacFrameworks Plugin	11.2	✅ Yes	❌ No	❌ No	❌ No

This event is called before an item is loaded.