Re: Convert GtkWindow to GdkDrawable

[Russell Shaw <rjshaw iprimus com au>]

Laurent Houdusse wrote:
> My window object is a GtkWidget so how to convert GtkWidget to GdkWindow?
> What is the link between GTK library and GDK library?
> See my code:
>
> GtkWidget *window;
>         
> gtk_init (&argc, &argv);
> window = gtk_window_new(GTK_WINDOW_TOPLEVEL); 
> gtk_window_set_position(GTK_WINDOW(window),GTK_WIN_POS_CENTER); 
> gtk_window_set_default_size(GTK_WINDOW(window),500,300);
>         
> HWND hwnd = GDK_WINDOW_HWND(GDK_DRAWABLE(window));
>
> gtk_widget_show_all(window);
>
> I have a message: invalid cast from 'GtkWindow' to 'GdkDrawable'

GdkWindow*  gtk_widget_get_root_window(GtkWidget *widget);