wxFlexGridSizer *pGridSizer = new wxFlexGridSizer (2);
pGridSizer->Add (new wxStaticText (this, -1, "Minimum"), 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
pGridSizer->Add (m_pTextCtrlMin, 0, wxALIGN_CENTER_VERTICAL);
pGridSizer->Add (new wxStaticText (this, -1, "Maximum"), 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
pGridSizer->Add (m_pTextCtrlMax, 0, wxALIGN_CENTER_VERTICAL);
pTopSizer->Add (pGridSizer, 1, wxALL, 10);
wxFlexGridSizer *pGridSizer = new wxFlexGridSizer (2);
pGridSizer->Add (new wxStaticText (this, -1, "Minimum"), 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
pGridSizer->Add (m_pTextCtrlMin, 0, wxALIGN_CENTER_VERTICAL);
pGridSizer->Add (new wxStaticText (this, -1, "Maximum"), 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
pGridSizer->Add (m_pTextCtrlMax, 0, wxALIGN_CENTER_VERTICAL);
pTopSizer->Add (pGridSizer, 1, wxALL, 10);