private void UpdateIssue()
{
var issue = new IssueUpdate();
issue.Title = Title;
issue.Body = Body;
issue.Assignee = Assignee != null ? Assignee.Login : null;
issue.Milestone = Milestone != null ? (int?)Milestone.Number : null;
foreach (var label in SelectedLabels)
{
issue.AddLabel(label.Name);
}
GitHubApi.UpdateIssue(_repository, _issueNumber, issue);
}