private void BtnSubscribeClick(object sender, EventArgs e)
{
string dataTypeName;
IExpression query = BuildExpression(out dataTypeName);
_client.DebugRequests = chkDebugRequests.Checked;
ISubscription newSubscription = _client.CreateUntypedSubscription(null, null);
newSubscription.DataTypeName = dataTypeName;
newSubscription.WhereExpr = query;
newSubscription.UserCallback = delegate(ISubscription subscription, ICoreItem item)
{
// note: this is running on a thread pool thread
// add the item to the queue and post a callback
_queuedItems.Locked(queue => queue.Enqueue(item));
int count = Interlocked.Increment(ref _queuedCalls);
if (count % 10000 == 0)
{
_loggerRef.Target.LogDebug("SubscribeCallback: Queued calls posted: {0}", count);
}
_syncContext.Post(ReceiveNewItem, null);
};
newSubscription.Start();
_loggerRef.Target.LogDebug("Subscription started.");
chkDebugRequests.Checked = false;
}
