Type Alias windows::Win32::Networking::WindowsWebServices::WS_OPERATION_CANCEL_CALLBACK

pub type WS_OPERATION_CANCEL_CALLBACK = Option<unsafe extern "system" fn(reason: WS_SERVICE_CANCEL_REASON, state: *const c_void)>;

Aliased Type

enum WS_OPERATION_CANCEL_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: WS_SERVICE_CANCEL_REASON, _: *const c_void)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: WS_SERVICE_CANCEL_REASON, _: *const c_void))

Some value of type T.