CTLineBreakMode.byTruncatingMiddle
Declaration
case byTruncatingMiddleDiscussion
Each line is displayed so that the beginning and end fit in the container and the missing text is indicated by an ellipsis glyph in the middle.
case byTruncatingMiddleEach line is displayed so that the beginning and end fit in the container and the missing text is indicated by an ellipsis glyph in the middle.