private void MenuItemAddTask_OnClick(object sender, RoutedEventArgs e)
{
var board = GetThisBoard();
CommonMethods.WorkWithTables.Add((task, isReadOnly) => new TaskWindow(httpClientProvider, task, GetUserNames(), GetColumnNames(), board.Name, board.BoardId, isReadOnly), httpClientProvider.GetDatabaseTaskEditor(), () => AddTask?.Invoke(this, default(EventArgs)));
}
