On Wed, Jul 06, 2005 at 10:58:59PM +0200, Jean Bréfort wrote: > That is, the first parameter of your callback is the button which was clicked, unless you use g_signal_connect_swapped. > SQo you have two solutions, either, you change the signayure of MessageInfo: > gboolean MessageInfo(GtkButoon* btn, std::string& msg){...} > or you use g_signal_connect_swapped: > g_signal_connect_swapped(GTK_OBJECT(btnCreateAccount), "clicked", > GTK_SIGNAL_FUNC(MessageInfo), NULL); Note however, GObject callbacks don't mix very logically with C++ pass-by-reference argument style. You can't pass a std::string variable as the last argument of g_signal_connect() as you would in direct function call, you have to pass a pointer, and once you do that, it doesn't make sense to declare MessageInfo(std::string &msg) instead of MessageInfo(std::string *msg) Yeti -- A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail? _______________________________________________ gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list