Removing anonymous event handler

Question

I have the following code where SprintServiceClient is a reference to a WCF Service-

public class OnlineService
{
    private SprintServiceClient _client;
           


        

Answer 1

You can refer to your anonymous method from inside itself as long as you assign a delegate to a variable first:

EventHandler handler = null;
handler = (s, e) =>
    {
        _client.AddMemberToTeamCompleted -= handler;
        callback(e.Result);
    };

_client.AddMemberToTeamCompleted += handler;

Note that you need to declare the variable and assign it separately or the compiler will deem it uninitialized when you come to use it inside the method body.