/// <summary>
/// This callback is called when the plugin is connected to the server successfully. Messages can be sent to the server after this point.
/// </summary>
private void Hub_OnConnected(HubConnection hub)
{
uiText += "Hub Connected\n";
// Call a server function with a string param. We expect no return value.
hub.Send("Send", "my message");
// Call a parameterless function. We expect a string return value.
hub.Invoke <string>("NoParam")
.OnSuccess(ret => uiText += string.Format(" 'NoParam' returned: {0}\n", ret));
// Call a function on the server to add two numbers. OnSuccess will be called with the result and OnError if there's an error.
hub.Invoke <int>("Add", 10, 20)
.OnSuccess(result => uiText += string.Format(" 'Add(10, 20)' returned: {0}\n", result))
.OnError(error => uiText += string.Format(" 'Add(10, 20)' error: {0}\n", error));
hub.Invoke <int?>("NullableTest", 10)
.OnSuccess(result => uiText += string.Format(" 'NullableTest(10)' returned: {0}\n", result))
.OnError(error => uiText += string.Format(" 'NullableTest(10)' error: {0}\n", error));
// Call a function that will return a Person object constructed from the function's parameters.
hub.Invoke <Person>("GetPerson", "Mr. Smith", 26)
.OnSuccess(result => uiText += string.Format(" 'GetPerson(\"Mr. Smith\", 26)' returned: {0}\n", result))
.OnError(error => uiText += string.Format(" 'GetPerson(\"Mr. Smith\", 26)' error: {0}\n", error));
// To test errors/exceptions this call always throws an exception on the server side resulting in an OnError call.
// OnError expected here!
hub.Invoke <int>("SingleResultFailure", 10, 20)
.OnSuccess(result => uiText += string.Format(" 'SingleResultFailure(10, 20)' returned: {0}\n", result))
.OnError(error => uiText += string.Format(" 'SingleResultFailure(10, 20)' error: {0}\n", error));
// This call demonstrates IEnumerable<> functions, result will be the yielded numbers.
hub.Invoke <int[]>("Batched", 10)
.OnSuccess(result => uiText += string.Format(" 'Batched(10)' returned items: {0}\n", result.Length))
.OnError(error => uiText += string.Format(" 'Batched(10)' error: {0}\n", error));
// OnItem is called for a streaming request for every items returned by the server. OnSuccess will still be called with all the items.
hub.Stream <int>("ObservableCounter", 10, 1000)
.OnItem(result => uiText += string.Format(" 'ObservableCounter(10, 1000)' OnItem: {0}\n", result.LastAdded))
.OnSuccess(result => uiText += string.Format(" 'ObservableCounter(10, 1000)' OnSuccess. Final count: {0}\n", result.Items.Count))
.OnError(error => uiText += string.Format(" 'ObservableCounter(10, 1000)' error: {0}\n", error));
// A stream request can be cancelled any time.
var container = hub.Stream <int>("ChannelCounter", 10, 1000)
.OnItem(result => uiText += string.Format(" 'ChannelCounter(10, 1000)' OnItem: {0}\n", result.LastAdded))
.OnSuccess(result => uiText += string.Format(" 'ChannelCounter(10, 1000)' OnSuccess. Final count: {0}\n", result.Items.Count))
.OnError(error => uiText += string.Format(" 'ChannelCounter(10, 1000)' error: {0}\n", error)).value;
// a stream can be cancelled by calling CancelStream
hub.CancelStream(container);
// This call will stream strongly typed objects
hub.Stream <Person>("GetRandomPersons", 20, 2000)
.OnItem(result => uiText += string.Format(" 'GetRandomPersons(20, 1000)' OnItem: {0}\n", result.LastAdded))
.OnSuccess(result => uiText += string.Format(" 'GetRandomPersons(20, 1000)' OnSuccess. Final count: {0}\n", result.Items.Count));
}
