<?xml version="1.0" encoding="UTF-8"?> <interface> <requires lib="gtk+" version="3.18"/> <object class="GtkWindow" id="MainWindow"> <property name="can_focus">False</property> <property name="title" translatable="yes">Example Window</property> <property name="default_width">480</property> <property name="default_height">240</property> <child> <object class="GtkBox"> <property name="visible">True</property> <property name="can_focus">False</property> <property name="margin_left">4</property> <property name="margin_right">4</property> <property name="margin_top">4</property> <property name="margin_bottom">4</property> <property name="orientation">vertical</property> <child> <object class="GtkLabel" id="_label1"> <property name="visible">True</property> <property name="can_focus">False</property> <property name="label" translatable="yes">Hello World!</property> </object> <packing> <property name="expand">True</property> <property name="fill">True</property> <property name="position">0</property> </packing> </child> <child> <object class="GtkButton" id="_button1"> <property name="label" translatable="yes">Click me!</property> <property name="visible">True</property> <property name="can_focus">False</property> <property name="receives_default">True</property> </object> <packing> <property name="expand">False</property> <property name="fill">True</property> <property name="position">1</property> </packing> </child> </object> </child> </object> </interface>