public void AddItem(string message, string user, string room)
{
Dispatcher.Invoke(new Action(() =>
{
for (int i = 1; i < tbControl.Items.Count; i++)
{
var tb = tbControl.ItemContainerGenerator.ContainerFromIndex(i) as TabItem;
if (tb == null)
{
continue;
}
ChatWindow window = tb.Content as ChatWindow;
if (window == null)
{
continue;
}
if (window.Room == room)
{
window.AddItem(message, user);
}
}
}));
}
