/* * * Sample Code for Gtk+ Programming in C, 1st Edition, Prentice Hall * * Copyright 2000 - 2002 Syd Logan, All Rights Reserved * * This code is distributed without warranty. You are free to use this * code for any purpose, however, if this code is republished or * redistributed in its original form, as hardcopy or electronically, * then you must include this copyright notice along with the code. * * Questions or comments regarding this code or any bugs it contains can * be directed to the author via e-mail at slogan@cts.com **/#include <gtk/gtk.h>// mainint main( int argc, char *argv[] ){ 	GtkWidget *window, *button[20], *widget, *vbox;	char buf[ 32 ];	int i; 	gtk_init(&argc, &argv);  	window = gtk_window_new(GTK_WINDOW_TOPLEVEL); 	gtk_signal_connect(GTK_OBJECT(window), "destroy",     GTK_SIGNAL_FUNC (gtk_main_quit), "WM destroy");	sprintf( buf, "Box" ); 	gtk_window_set_title(GTK_WINDOW(window), buf); 	gtk_widget_set_usize(GTK_WIDGET(window), 640, 480); 	vbox = gtk_vbox_new (FALSE, 1); 	gtk_container_add(GTK_CONTAINER (window), vbox); 	gtk_widget_show( vbox );	for ( i = 0; i < 10; i++ ) {		sprintf( buf, "button %d", i );		button[ i ] = gtk_button_new_with_label( buf ); 		gtk_box_pack_start(GTK_BOX(vbox), button[i], FALSE, TRUE, 0); 		gtk_widget_show(button[i]);	}	for ( i = 10; i < 20; i++ ) {		sprintf( buf, "button %d", i );		button[ i ] = gtk_button_new_with_label( buf ); 		gtk_box_pack_end(GTK_BOX(vbox), button[i], FALSE, TRUE, 0); 		gtk_widget_show(button[i]);	}//	gtk_box_set_child_packing( GTK_BOX( vbox ), button[0], FALSE,//		TRUE, 0, GTK_PACK_END );	gtk_box_reorder_child( GTK_BOX( vbox ), button[ 0 ], 9);	gtk_box_reorder_child( GTK_BOX( vbox ), button[ 19 ], 9); 	gtk_widget_show(window); 	gtk_main ();  	return(0);}