wxCHECK_MSG( wxStrstr(format, _T("%s")) == NULL, -1,
_T("incomplete vswscanf implementation doesn't allow %s") );
wxCHECK_MSG( wxStrstr(format, _T("%c")) == NULL, -1,
_T("incomplete vswscanf implementation doesn't allow %c") );
wxCHECK_MSG( wxStrstr(format, _T("%s")) == NULL, -1,
_T("incomplete vswscanf implementation doesn't allow %s") );
wxCHECK_MSG( wxStrstr(format, _T("%c")) == NULL, -1,
_T("incomplete vswscanf implementation doesn't allow %c") );