public CallbackForwarder(
MamaMsg sender,
MamaMsgFieldIterator callback,
object closure)
{
this.mSender = sender;
this.mCallback = callback;
this.mClosure = closure;
}
/// <summary>
/// Invoke the specified callback for each field in the message.
/// </summary>
/// <param name="iterator"></param>
/// <param name="dictionary"></param>
/// <param name="closure"></param>
public void iterateFields(
MamaMsgFieldIterator iterator,
MamaDictionary dictionary,
object closure)
{
#if MAMA_WRAPPERS_CHECK_ARGUMENTS
if (iterator == null)
{
throw new ArgumentNullException("iterator");
}
#endif // MAMA_WRAPPERS_CHECK_ARGUMENTS
EnsurePeerCreated();
IntPtr dictHandle = dictionary != null ? dictionary.NativeHandle : IntPtr.Zero;
if (forwarder == null)
{
forwarder = new CallbackForwarder(this, iterator, closure);
callback =
new CallbackForwarder.MamaMessageIteratorDelegate(forwarder.OnField);
GC.SuppressFinalize(forwarder);
GC.SuppressFinalize(callback);
}
else
{
forwarder.mCallback = iterator;
forwarder.mClosure = closure;
}
int code = NativeMethods.mamaMsg_iterateFields(nativeHandle, callback, dictHandle, nativeHandle);
CheckResultCode(code);
GC.KeepAlive(iterator);
GC.KeepAlive(dictionary);
}