m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
main_sizer->Add( m_target, 1, wxALL|wxGROW, 5 );
m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
main_sizer->Add( m_target, 1, wxALL|wxGROW, 5 );