ListBox.Column

From Xojo Documentation

Property (As ListColumn )
aListBox.Column(ColumnNumber as Integer) = newListColumnValue
or
ListColumnValue = aListBox.Column(ColumnNumber as Integer)

Supported for all project types and targets.

Enables you to access the ListColumn properties of the specified column. The first column is numbered zero.

Notes

Use -1 to refer to all columns.