Invalidates the designated app pasteboard.
- iOS 3.0+
- Mac Catalyst 13.0+
The name of the pasteboard to be invalidated.
Invalidation of an app pasteboard frees up all resources used by it. Once a pasteboard is invalidated, you cannot use the it;
UIPasteboard ignores any calls to it. The method has no effect if called with the name of a system pasteboard.