Jira: How to add comment from C# code

1. Add reference to web-service http://jiraserver.local/rpc/soap/jirasoapservice-v2?wsdl
2. Execute code:

using (var jira = new JiraSoapServiceService())
{
  var token = jira.login("user", "password");
  jira.addComment(token, "Project-2233", 
      new RemoteComment { body = "Comment from C# code" });
}