Function SHInvokePrinterCommandA 

pub unsafe fn SHInvokePrinterCommandA<P2, P3>(
    hwnd: Option<HWND>,
    uaction: u32,
    lpbuf1: P2,
    lpbuf2: P3,
    fmodal: bool,
) -> BOOL
where
    P2: Param<PCSTR>,
    P3: Param<PCSTR>,