Type Alias NCryptPromptUserFn 

pub type NCryptPromptUserFn = Option<unsafe extern "system" fn(hprovider: NCRYPT_PROV_HANDLE, hkey: NCRYPT_KEY_HANDLE, pszoperation: PCWSTR, dwflags: u32) -> HRESULT>;

Aliased Type

pub enum NCryptPromptUserFn {
    None,
    Some(unsafe extern "system" fn(usize, usize, *const u16, u32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(usize, usize, *const u16, u32) -> i32)

Some value of type T.