Represents the object of the onColumnResize TreeList event.

columns TreeListColumnProps[]

The current columns collection.

end boolean

Indicates that resizing is complete and the user has dropped the resize handler.

index number

The index of the column.

nativeEvent any

A native DOM event.

newWidth number

The new width of the column.

oldWidth number

The actual width of the column prior to resizing.

target TreeList

An event target.

totalWidth number

The total width of the columns after the resizing.