wxVisualAttributes attr;
attr.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
attr.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX);
wxVisualAttributes attr;
attr.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
attr.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX);