編輯

共用方式為


UIDocumentInteractionControllerDelegate.WillBeginPreview Method

Definition

Indicates that the UIDocumentInteractionController is about to display a document preview.

[Foundation.Export("documentInteractionControllerWillBeginPreview:")]
public virtual void WillBeginPreview (UIKit.UIDocumentInteractionController controller);
abstract member WillBeginPreview : UIKit.UIDocumentInteractionController -> unit
override this.WillBeginPreview : UIKit.UIDocumentInteractionController -> unit

Parameters

Attributes

Applies to