the property in which to place the result of the conversion.
the window on which to place property or %NULL if none.
the selection.
%TRUE if the event was sent explicitly.
the target to which the selection should be converted.
the time of the event in milliseconds.
the type of the event (%GDK_SELECTION_CLEAR, %GDK_SELECTION_NOTIFY or %GDK_SELECTION_REQUEST).
the window which received the event.
Generated when a selection is requested or ownership of a selection is taken over by another client application.