Type Definition windows_sys::Win32::Media::Multimedia::LPMMIOPROC
[−]pub type LPMMIOPROC = Option<unsafe extern "system" fn(lpmmioinfo: PCSTR, umsg: u32, lparam1: LPARAM, lparam2: LPARAM) -> LRESULT>;
Expand description
Required features: "Win32_Media_Multimedia"
, "Win32_Foundation"