Type Alias LPFNSHOWJOYCPL 

pub type LPFNSHOWJOYCPL = Option<unsafe extern "system" fn(hwnd: HWND)>;

Aliased Type

pub enum LPFNSHOWJOYCPL {
    None,
    Some(unsafe extern "system" fn(*mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(*mut c_void))

Some value of type T.