gtk_color_selection_set_change_palette_hook
has been deprecated since version 2.4 and should not be used in newly-written code. This function does not work in multihead environments.
Use gtkColorSelectionSetChangePaletteWithScreenHook
instead.
gtkColorSelectionSetChangePaletteHook(func)
func
GtkColorSelectionChangePaletteFunc
] the previous change palette hook (that was replaced).