pub type LPCQADDPAGESPROC = Option<unsafe extern "system" fn(lparam: LPARAM, clsidform: *const GUID, ppage: *mut CQPAGE) -> HRESULT>;

Aliased Type§

enum LPCQADDPAGESPROC {
    None,
    Some(unsafe extern "system" fn(_: LPARAM, _: *const GUID, _: *mut CQPAGE) -> HRESULT),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: LPARAM, _: *const GUID, _: *mut CQPAGE) -> HRESULT)

Some value of type T.