[gnomemm] Gnome--: How to ceate a Gnome::CanvasLine ?

["gao chaowei" <chaoweigao hotmail com>]

I tried to make a CanvasLine using the code:

      Gnome::CanvasPoints points(3);
      points.push_back(Gnome::Art::Point(0,0));
      points.push_back(Gnome::Art::Point(100,100));
      Gnome::CanvasLine * line = new Gnome::CanvasLine(*group,points);

compile OK, but it has the follwing run time error:

Gtk-CRITICAL **: file gtkobject.c: line 939 (gtk_object_add_arg_type): 
assertion `arg_type > GTK_TYPE_NONE' failed.

GnomeUI-WARNING **: gnome_canvas_item_set(): could not find argument 
"points" in the `Gnome__CanvasLine' class ancestry

Anyone can help me? please reponse ASAP, Urgent...

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