Warning gdk_drawable_set_data is deprecated and should not be used in newly-written code. This function is equivalent to g_object_set_data(), the GObject variant should be used instead.
name to store the data under
arbitrary data
function to free data, or NULL. [allow-none]
See Implementation
Warning gdk_drawable_set_data is deprecated and should not be used in newly-written code. This function is equivalent to g_object_set_data(), the GObject variant should be used instead.