<property name="adjustment">adjustment1</property>
</object>
</child>
+ <child>
+ <object class="GtkVolumeButton">
+ <property name="visible">True</property>
+ <property name="orientation">vertical</property>
+ <property name="valign">center</property>
+ <property name="use-symbolic">True</property>
+ <property name="value">.5</property>
+ </object>
+ </child>
+ <child>
+ <object class="GtkVolumeButton">
+ <property name="orientation">horizontal</property>
+ <property name="valign">center</property>
+ <property name="use-symbolic">True</property>
+ <property name="value">.5</property>
+ </object>
+ </child>
</object>
<packing>
<property name="left-attach">0</property>