Public Sub MapMouseWheelToAction()
Dim msmapping As MouseMapping
Dim sequence As InputMapActionSequence
Dim action As InputMapAction
Dim combo As MouseButtonCombination
Set msmapping = New MouseMapping
Set sequence = New InputMapActionSequence
Set action = New InputMapAction
Set combo = New MouseButtonCombination
'Set up the action to extend a selected area down one row
action.ActionId = InputMapActionID_ExtendSelectionBlockDownAction
'Add the action to the action sequence
sequence.Add action
'Set the mouse button as mouse wheel down
combo.WheelDirection = MouseWheelDirection_WheelDown
Set msmapping.button = combo
'Map the mouse button to the action sequence
Set msmapping.mapping = sequence
'Add the new mapping to the mouse map
ThisIbmTerminal.MouseMapper.AddMapping msmapping
End Sub