test_ttkcombobox.ui

<?xml version='1.0' encoding='utf-8'?>
<interface>
  <object class="ttk.Frame" id="mainwindow">
    <property name="height">200</property>
    <property name="width">200</property>
    <layout>
      <property name="column">0</property>
      <property name="propagate">True</property>
      <property name="row">0</property>
    </layout>
    <child>
      <object class="ttk.Combobox" id="combobox1">
        <property name="invalidcommand">cbox_invalid</property>
        <property name="invalidcommand_args">%P</property>
        <property name="validate">key</property>
        <property name="validatecommand">cbox_validate</property>
        <property name="validatecommand_args">%d %P</property>
        <property name="values">option1 option2 option3</property>
        <layout>
          <property name="column">0</property>
          <property name="propagate">True</property>
          <property name="row">0</property>
        </layout>
      </object>
    </child>
  </object>
</interface>