Pointers on using DuetHttpClient and ObjectModel

fotomas

I am trying to write an application interacting with a DuetBoard.
I have got a Working example, a .Net c# console application using DuetHttpClient.

I have two questions:

How do I get hold of an updated model after connection is established? In my code example a command must be sent ("G31") to get a populated model.
Are there any pattern/thoughts on monitoring changes in the model? Looping with a delay and sending "G31" seems crude...

I have not found any info or code on this, there probably is. So some help pointing me in the right direction would be much appreciated.

/Tomas

using DuetHttpClient;

var options = new DuetHttpOptions
{
    ObserveObjectModel = true,
    ObserveMessages = true,
};

var session = await DuetHttpSession.ConnectAsync(new Uri("http://192.168.0.117"), options);

await session.SendCode("G31");

var model = session.Model;

foreach (var a in model.Move.Axes)
{
    Console.Write(a.Letter);
    Console.Write(": ");
    Console.WriteLine(a.UserPosition);
}

Console.ReadLine();

cjccjj

This post is deleted!

chrishamm

@fotomas Instead of sending G31 you can call await session.WaitForModelUpdate(); to make sure the object model is updated once. It is also a good idea to lock session.Model while you're dealing with it to avoid race conditions. The object model classes implement INotifyPropertyChanged and INotifyCollectionChanged allowing you to track changes where necessary.