windows::Win32::UI::Controls

Type Alias PFNDAENUMCALLBACK

pub type PFNDAENUMCALLBACK = Option<unsafe extern "system" fn(p: *const c_void, pdata: *const c_void) -> i32>;

Aliased Type§

pub enum PFNDAENUMCALLBACK {
    None,
    Some(unsafe extern "system" fn(*const c_void, *const c_void) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.