This example displays the row and column cursor position of the active session.
Sub Main()
Dim Sys As Object, Sess As Object, MyScreen As Object
Set Sys = CreateObject("EXTRA.System")
' Assumes an open session
Set Sess = Sys.ActiveSession
Set MyScreen = Sess.Screen
CurrentRow = MyScreen.Row
CurrentCol = MyScreen.Col
MsgBox "The cursor is at " + Str$(CurrentRow) + "," + Str$(CurrentCol) + "."
End Sub