The event arguments after a column's pin state is changed.
insertAtIndexspecifies at which index in the pinned/unpinned area the column was inserted.
isPinned returns the actual pin state of the column after the operation completed.
If pinned, specifies at which index in the pinned area the column is inserted. If unpinned, specifies at which index in the unpinned area the column is inserted.
Returns the actual pin state of the column.
If pinning/unpinning is succesfull, value of
isPinned will change accordingly when read in the "-ing" and "-ed" event.
Provides reference to the owner component.