Type Alias windows_sys::Win32::Security::Cryptography::NCryptNotifyChangeKeyFn

pub type NCryptNotifyChangeKeyFn = Option<unsafe extern "system" fn(hprovider: NCRYPT_PROV_HANDLE, phevent: *mut HANDLE, dwflags: u32) -> HRESULT>;

Aliased Type

enum NCryptNotifyChangeKeyFn {
    None,
    Some(unsafe extern "system" fn(_: usize, _: *mut *mut c_void, _: u32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: usize, _: *mut *mut c_void, _: u32) -> i32)

Some value of type T.