tests/modbus/modbus_0@modbus/ModbusTCPserver_0@ModbusTCPserver/HoldingRegs@MemoryArea/confnode.xml
VariablePanel's menu do not waste Wx IDs anymore (directly binds wx objects rather than crating new ID wit wx.NewId)
<?xml version='1.0' encoding='utf-8'?>
<MemoryArea xmlns:xsd="http://www.w3.org/2001/XMLSchema" MemoryAreaType="03 - Holding Registers" Nr_of_Channels="1"/>