Function CascadeWindows 

pub unsafe fn CascadeWindows<'a, T0__: IntoParam<'a, HWND>>(
    hwndparent: T0__,
    whow: CascadeWindows_wHowFlags,
    lprect: *const RECT,
    ckids: u32,
    lpkids: *const HWND,
) -> u16