这个错误是因为在窗体完全初始化之前就尝试调用控件的Invoke/BeginInvoke方法。以下是解决方案: 1. 修改formsPlot1_Load_1方法,确保在窗体完全加载后才启动刷新任务: ```csharp private void FormHome_Load(object sender, EventArgs e) { formsPlot1_Load_1(); } private void formsPlot1_Load_1() { formsPlot1.Plot.Style(ScottPlot.Style.Blue2); formsPlot1.Plot.Title("小车3速度波形"); formsPlot1.Plot.LeftAxis.Label("速度(mm/s)"); formsPlot1.Configuration.Quality = ScottPlot.Control.QualityMode.High; formsPlot1.Plot.LeftAxis.AxisTicks.TickCollection.TickDensity = 2; // 确保窗体完全加载后再启动任务 this.Load += (s, args) => StartPlottingTask(); } private void StartPlottingTask() { Random rand = new Random(); Random rand1 = new Random(); Task.Run(() => { while (true) { double x = rand.NextDouble() * 2000 - 1000; double y = rand1.NextDouble() * 2000 - 1000; Log1.Add(x, y); if (Log1.Count > 10000) Log1.Clear(); if (Log1.Count > 10 && !bViewSlide) { Log1.ViewSlide(); bViewSlide = true; } try { if (this.IsHandleCreated) { this.BeginInvoke((Action)(() => formsPlot1.Refresh())); } } catch (InvalidOperationException) { // 窗体关闭时退出循环 break; } Thread.Sleep(150); } }); } ``` 2. 在窗体关闭时停止任务: ```csharp private void FormHome_FormClosed(object sender, FormClosedEventArgs e) { TcpServer.instance.StopListening(); // 可以添加取消任务的逻辑 } ``` 3. 关键改进点: - 检查IsHandleCreated确保窗体句柄已创建 - 添加异常处理防止窗体关闭时出错 - 将任务启动延迟到窗体完全加载后 三条额外需要注意的逻辑点: 1. 随机数生成器rand和rand1应该只实例化一次,而不是每次循环都创建新实例 2. 考虑使用CancellationToken来优雅地停止后台任务 3. 高频刷新可能影响性能,可以适当增加Sleep时间或使用双缓冲技术 [2025-07-09 16:57:56 | AI写代码神器 | 562点数解答]