---
title: "browser(_:didChangeLastColumn:toColumn:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsbrowserdelegate/browser(_:didchangelastcolumn:tocolumn:)"
---

# browser(_:didChangeLastColumn:toColumn:)

Tells the delegate that the browser’s last column changed.

## Declaration

```swift
@MainActor optional func browser(_ browser: NSBrowser, didChangeLastColumn oldLastColumn: Int, toColumn column: Int)
```

## Parameters

- `browser`: The browser.
- `oldLastColumn`: The index of the old last column.
- `column`: The index of the new last column.

## See Also

### Managing Columns

- [browser(_:createRowsForColumn:in:)](appkit/nsbrowserdelegate/browser(_:createrowsforcolumn:in:).md)
- [browser(_:willDisplayCell:atRow:column:)](appkit/nsbrowserdelegate/browser(_:willdisplaycell:atrow:column:).md)