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# discardCursorRects()

Invalidates all cursor rectangles in the window.

```
func discardCursorRects()
```

## Discussion

This method is invoked by [`resetCursorRects()`](/documentation/AppKit/NSWindow/resetCursorRects()) to clear out existing cursor rectangles before resetting them. You shouldn’t invoke it in the code you write, but you might want to override it to change its behavior.

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