problem when extend a GtkCellRenderer

[Liu Neo-W4135C <W4135C motorola com>]

Title: Message

hi,

 

i want to extend the GtkCellRenderer with two extra property "x_coord" and "y_coord", what i did are

1)add variable declaration in GtkCellRenderer.h

2)add variavle init in gtk_cell_renderer_init

3)install property in gtk_cell_renderer_class_init

4)add in gtk_cell_renderer_set_property

5)add in gtk_cell_renderer_get_property

 

once i test with g_object_set_data, i got the warning the property doesn't exist.

 

did i miss anything, or do it in a wrong way?

 

thanks in advance and best regards,

 

ln