the event dispatcher to forward from
the event types to forward
emitted when the highlight changes
the highlighted data index or -1 for none
emitted when the selection changes
the selected data indices
emitted a dialog is opened
the opened dialog
emitted a dialog is closed
the closed dialog
the action how the dialog was closed
sorts LineUp by he given column
callback function finding the column to sort
removes the forwarding declarations
the originated dispatcher
event types to forward
forwards one or more events from a given dispatcher to the current one i.e. when one of the given events is fired in 'from' it will be forwarded to all my listeners