<?xml version="1.0" encoding="UTF-8"?> <interface> <object id="window" class="GtkWindow"> <property name="title">Grid</property> <child> <object id="grid" class="GtkGrid"> <child> <object id="button1" class="GtkButton"> <property name="label">Button 1</property> <layout> <property name="column">0</property> <property name="row">0</property> </layout> </object> </child> <child> <object id="button2" class="GtkButton"> <property name="label">Button 2</property> <layout> <property name="column">1</property> <property name="row">0</property> </layout> </object> </child> <child> <object id="quit" class="GtkButton"> <property name="label">Quit</property> <layout> <property name="column">0</property> <property name="row">1</property> <property name="column-span">2</property> </layout> </object> </child> </object> </child> </object> </interface>