rval = m_myInst.callCallback(Py_BuildValue(
"(OO)",
wxPyConstructObject((void*)&item1, "wxTreeItemId"),
wxPyConstructObject((void*)&item2, "wxTreeItemId")));
rval = m_myInst.callCallback(Py_BuildValue(
"(OO)",
wxPyConstructObject((void*)&item1, "wxTreeItemId"),
wxPyConstructObject((void*)&item2, "wxTreeItemId")));