wxFlexGridSizer* table = new wxFlexGridSizer (2, 6, 6);
table->AddGrowableCol (1, 1);
overall_sizer->Add (table, 1, wxEXPAND | wxALL, 6);
wxFlexGridSizer* table = new wxFlexGridSizer (2, 6, 6);
table->AddGrowableCol (1, 1);
overall_sizer->Add (table, 1, wxEXPAND | wxALL, 6);