Allows the delegate to specify custom sizing behavior for the subviews of the NSSplitView
- macOS 10.0+
The split view that sent the message.
The size of the split view before the user resized it.
If the delegate implements this method,
split is invoked after the split view is resized.
The subviews should be resized such that the sum of the sizes of the subviews plus the sum of the thickness of the dividers equals the size of the NSSplitView’s new frame. You can get the thickness of a divider through the
Note that if you implement this delegate method to resize subviews on your own, the NSSplitView does not perform any error checking for you. However, you can invoke
adjust to perform the default sizing behavior.