Type Alias windows_sys::Win32::Media::Multimedia::LPFNEXTDEVIO

pub type LPFNEXTDEVIO = Option<unsafe extern "system" fn(lparam: LPARAM, dwflags: u32, dwiocontrolcode: u32, lpinbuffer: *mut c_void, ninbuffersize: u32, lpoutbuffer: *mut c_void, noutbuffersize: u32, lpbytesreturned: *mut u32, lpoverlapped: *mut OVERLAPPED) -> BOOL>;

Aliased Type

enum LPFNEXTDEVIO {
    None,
    Some(unsafe extern "system" fn(_: isize, _: u32, _: u32, _: *mut c_void, _: u32, _: *mut c_void, _: u32, _: *mut u32, _: *mut OVERLAPPED) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: isize, _: u32, _: u32, _: *mut c_void, _: u32, _: *mut c_void, _: u32, _: *mut u32, _: *mut OVERLAPPED) -> i32)

Some value of type T.