Type Alias WNDENUMPROC 

pub type WNDENUMPROC = Option<unsafe extern "system" fn(param0: HWND, param1: LPARAM) -> BOOL>;

Aliased Type

pub enum WNDENUMPROC {
    None,
    Some(unsafe extern "system" fn(*mut c_void, isize) -> i32),
}

Variants

None

No value.

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

Some value of type T.