test_button_command.ui

<?xml version='1.0' encoding='utf-8'?>
<interface version="1.1">
  <object class="ttk.Frame" id="mainwindow">
    <property name="height">200</property>
    <property name="width">200</property>
    <layout manager="grid">
      <property name="column">0</property>
      <property name="propagate">True</property>
      <property name="row">0</property>
    </layout>
    <child>
      <object class="ttk.Button" id="button1">
        <property name="command" type="command" cbtype="simple">button1_clicked</property>
        <property name="text" translatable="yes">button1</property>
        <layout manager="pack">
          <property name="propagate">True</property>
          <property name="side">top</property>
        </layout>
      </object>
    </child>
    <child>
      <object class="ttk.Button" id="button2">
        <property name="command" type="command" cbtype="with_wid">on_button_clicked</property>
        <property name="text" translatable="yes">button2</property>
        <layout manager="pack">
          <property name="propagate">True</property>
          <property name="side">top</property>
        </layout>
      </object>
    </child>
  </object>
</interface>