public ApiWrapper(string dllPath)
{
_api = new Api(dllPath);
var msg = new StringBuilder(_msgSize);
var extEc = 0L;
_api.SetConnectionStatusCallback(Marshaler.WrapDelegate<Api.ConnectionStatusCallback>(OnConnectionStatusCallback), ref extEc, msg, _msgSize).ThrowIfNeed(msg);
msg = new StringBuilder(_msgSize);
extEc = 0L;
_api.SetTransactionsReply(Marshaler.WrapDelegate<Api.TransactionReplyCallback>(OnTransactionReplyCallback), ref extEc, msg, _msgSize);
}
