Type Alias SENDASYNCPROC 

pub type SENDASYNCPROC = Option<unsafe extern "stdcall" fn(arg1: HWND, arg2: UINT, arg3: ULONG_PTR, arg4: LRESULT)>;

Aliased Type

pub enum SENDASYNCPROC {
    None,
    Some(unsafe extern "stdcall" fn(*mut HWND__, u32, u32, i32)),
}

Variants

None

No value.

Some(unsafe extern "stdcall" fn(*mut HWND__, u32, u32, i32))

Some value of type T.