// 工作线程每一轮循环的实质性工作 public override void Worker() { try { PropertyTask task = null; int nRestCount = 0; // 取出第一个元素 if (this.m_lock.TryEnterWriteLock(m_nLockTimeout) == false) { throw new LockException("锁定尝试中超时"); } try { if (this._tasks.Count == 0) { return; } task = this._tasks[0]; this._tasks.RemoveAt(0); nRestCount = this._tasks.Count; } finally { this.m_lock.ExitWriteLock(); } try { lock (syncRoot) { this._currentTask = task; } if (task.LoadData() == false) { return; } task.ShowData(); lock (syncRoot) { this._currentTask = null; } } finally { if (nRestCount > 0) { this.Activate(); } } } catch (Exception ex) { Program.MainForm.WriteErrorLog("PropertyTaskList Worker() 出现异常: " + ExceptionUtil.GetDebugText(ex)); Program.MainForm.ReportError("dp2circulation 调试信息", "PropertyTaskList Worker() 出现异常: " + ExceptionUtil.GetDebugText(ex)); } }