Unlocks focus from the current view.
- macOS 10.0–10.14Deprecated
Call this method after a previous call to the
lockFocusIfCanDrawInContext: method of this view object. Doing so releases focus from the current view and returns it back to the previously focused view, if any. This method raises an
NSInvalidArgumentException if the current view does not have the focus.
Locks the focus on the view, so subsequent commands take effect in the view’s window and coordinate system.
Locks the focus to the view atomically if the
canDraw method returns
YES and returns the value of
Returns the currently focused
NSView object, or
nil if there is none.