private static void InternalEnumerateContactsBlock(/* CNContact */ IntPtr contact, out bool stop, IntPtr secondaryCallback)
{
if (PInvokeUtil.IsNull(secondaryCallback))
{
stop = true;
return;
}
CNContact ct = PInvokeUtil.IsNotNull(contact) ? new CNContact(contact) : null;
// Invoke consumer callback.
stop = PInvokeCallbackUtil.PerformInternalFunction <CNContact, bool>(
"CNContactStore#InternalEnumerateContactsBlock",
PInvokeCallbackUtil.Type.Permanent, // make sure the callback can be called repeatedly
ct,
secondaryCallback);
// Release callback handle if stopping.
if (stop)
{
PInvokeCallbackUtil.UnpinCallbackHandle(secondaryCallback);
}
}
