For more info about this example, read the answer to the question Click How to adapt the position of the first line in ColumnText?
columntextascender
##GITHUB:https://github.com/itext/i7js-examples/blob/develop/src/main/java/com/itextpdf/samples/sandbox/objects/ColumnTextAscender.java##
##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/objects/ColumnTextAscender.cs##