Type Alias PFNTVCOMPARE 

pub type PFNTVCOMPARE = Option<unsafe extern "system" fn(lparam1: LPARAM, lparam2: LPARAM, lparamsort: LPARAM) -> i32>;

Aliased Type

pub enum PFNTVCOMPARE {
    None,
    Some(unsafe extern "system" fn(LPARAM, LPARAM, LPARAM) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(LPARAM, LPARAM, LPARAM) -> i32)

Some value of type T.