Function windows_sys::Win32::Media::Multimedia::DefDriverProc

pub unsafe extern "system" fn DefDriverProc(
    dwdriveridentifier: usize, 
    hdrvr: HDRVR, 
    umsg: u32, 
    lparam1: LPARAM, 
    lparam2: LPARAM
) -> LRESULT

Required features: "Win32_Media_Multimedia", "Win32_Foundation"