The 'onSelChange' callback

Event number: 40
Generated for: RichEdit, Grid, Tree

For a RichEdit control, this event is triggered when the user changes the selection point.

For a Tree control, it is triggered when the user changes the selected node.

For a Grid control, this event is triggered when the user selects a new cell. The event-specific parameters in ⎕EV are (in index origin 1):

    ⎕EV[6]    Row number of the newly-selected cell
    ⎕EV[7]    Column number of the newly-selected cell