DesktopListBox.LastColumnIndex
From Xojo Documentation
Read-Only Property (As Integer )
IntegerValue = aDesktopListBox.LastColumnIndex
New in 2021r3
Supported for all project types and targets.
New in 2021r3
Supported for all project types and targets.
The number of the last column of the DesktopListBox. Because (like nearly all of Xojo) the DesktopListBox is zero-based, this value will be 1 less than the DesktopListBox.ColumnCount.