Exception:子程序(onWindowMoved)返回中止。解析表达式出错。 内部错误：Oops! No applicable member has been found for the expression. The error occurred for expression "." at position 91 near ".SelectMany(x=>x) .Dis". 原始表达式：v_storage .Select(kv=>kv.Value.ToList()) .Where(x=>x.Contains(v_hwnd.ToString())) .SelectMany(x=>x) .Distinct() .Where(x=>x!=v_hwnd.ToString()) 开始位置：91 附近代码：.SelectMany(x=>x) .Dis(每个)