+ <property name="no_show_all">True</property>
+ <property name="halign">center</property>
+ <property name="valign">center</property>
+ <property name="border_width">5</property>
+ <property name="source_widget">one-sample-t-test-treeview2</property>
+ <property name="dest_widget">one-sample-t-test-treeview1</property>
+ </object>
+ <packing>
+ <property name="left_attach">1</property>
+ <property name="top_attach">0</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GtkEventBox" id="eventbox1">
+ <property name="visible">True</property>
+ <property name="can_focus">False</property>