GTK__窗口window

//创建窗口
GtkWinget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

//窗口标题
gtk_window_set_title(GTK_WINDOW (window), "Title");

//窗口border大小
gtk_container_set_border_width(GTK_CONTAINER(window), 10);

//初始大小
gtk_widget_set_size_request(window, 270, 250);

//显示位置
gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);

//将其它构件加入
gtk_container_add(GTK_CONTAINER(window), GtkWidget *);

//显示出来
gtk_winget_show(window);
gtk_widget_show_all(window);