Correct way to use the g_connect_signal

[Tomaz Canabrava <tumaix gmail com>]

hy all.;
i'm having a little trouble here, when trying to get the data passed to a
funcgion with the g_signal_connect:


void btnAddRevistaClick(GtkWidget Widget, gpointer data){
    addComic *bleh = (addComic *) data;


    gtk_widget_show_all(bleh->window);
}

void mostraGuiPrincipal(GuiPrincipal *Gui, GladeXML *xml){

    Gui->btnAddComic = glade_xml_get_widget(xml, "btnAddComic");

    g_signal_connect(G_OBJECT(Gui->btnAddComic), "activate",
G_CALLBACK(btnAddComicClick), (gpointer) Gui->wndComic);

    gtk_widget_show_all(Gui->Window);
}

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