m_datatree->Prepend( m_ref2 );
wxCanvasCircle* cir = new wxCanvasCircle( -100, -150, 100 );
cir->SetBrush(wxBrush(wxColour(19,215,6),wxHORIZONTAL_HATCH ));
cir->SetPen(wxPen(wxColour(198,3,105 ),30,wxSOLID));
m_datatree->Prepend( m_ref2 );
wxCanvasCircle* cir = new wxCanvasCircle( -100, -150, 100 );
cir->SetBrush(wxBrush(wxColour(19,215,6),wxHORIZONTAL_HATCH ));
cir->SetPen(wxPen(wxColour(198,3,105 ),30,wxSOLID));