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# discardCursorRects()

Invalidates all cursor rectangles set up using [`addCursorRect(_:cursor:)`](/documentation/AppKit/NSView/addCursorRect(_:cursor:)).

```
func discardCursorRects()
```

## Discussion

You need never invoke this method directly; neither is it typically invoked during the invalidation of cursor rectangles.  [`NSWindow`](/documentation/AppKit/NSWindow) automatically invalidates cursor rectangles in response to [`invalidateCursorRects(for:)`](/documentation/AppKit/NSWindow/invalidateCursorRects(for:)) and before the view’s cursor rectangles are reestablished using [`resetCursorRects()`](/documentation/AppKit/NSView/resetCursorRects()).  This method is invoked just before the view is removed from a window and when the view is deallocated.

## See Also

[`func discardCursorRects()`](/documentation/AppKit/NSWindow/discardCursorRects())

Invalidates all cursor rectangles in the window.


---

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