Function wxd_DC_GetMultiLineTextExtent 

pub unsafe extern "C" fn wxd_DC_GetMultiLineTextExtent(
    dc: *mut wxd_DC_t,
    string: *const c_char,
    w: *mut c_int,
    h: *mut c_int,
    heightLine: *mut c_int,
    font: *const wxd_Font_t,
)