添加项目文件。

CurveWindow.xaml.cs

@@ -0,0 +1,122 @@
+using OxyPlot;
+using OxyPlot.Series;
+using System.Windows;
+using System.Windows.Threading;
+
+namespace EmptyLoadTest
+{
+    public partial class CurveWindow : Window
+    {
+        private PlotModel _plotModel;
+        private LineSeries _torqueSpeedSeries;
+        private DispatcherTimer _updateTimer;
+        private static CurveWindow _instance;
+
+        // 用于存储数据的队列（支持后台记录）
+        private readonly Queue<DataPoint> _dataQueue = new Queue<DataPoint>();
+        private readonly object _lockObject = new object();
+
+        // 最大缓存数据点数
+        private const int MAX_CACHE_POINTS = 1000;
+
+        public static CurveWindow Instance
+        {
+            get
+            {
+                if (_instance == null || !_instance.IsLoaded)
+                {
+                    _instance = new CurveWindow();
+                }
+                return _instance;
+            }
+        }
+
+        public CurveWindow()
+        {
+            InitializeComponent();
+            InitializeChart();
+            InitializeUpdateTimer();
+        }
+
+        // 外部调用此方法来更新数据（即使窗口未打开也会缓存）
+        public void UpdateData(float torque, float speed)
+        {
+            lock (_lockObject)
+            {
+                // 添加到队列
+                _dataQueue.Enqueue(new DataPoint(torque, speed));
+
+                // 限制队列大小
+                if (_dataQueue.Count > MAX_CACHE_POINTS)
+                {
+                    _dataQueue.Dequeue();
+                }
+            }
+
+            // 如果窗口已打开，立即更新显示
+            if (this.IsLoaded && IsVisible)
+            {
+                ProcessQueuedData();
+            }
+        }
+
+        private void ProcessQueuedData()
+        {
+            lock (_lockObject)
+            {
+                while (_dataQueue.Count > 0)
+                {
+                    var point = _dataQueue.Dequeue();
+                    _torqueSpeedSeries.Points.Add(point);
+
+                    // 限制显示的数据点数
+                    if (_torqueSpeedSeries.Points.Count > 500)
+                    {
+                        _torqueSpeedSeries.Points.RemoveAt(0);
+                    }
+                }
+
+                _plotModel.InvalidatePlot(true);
+                UpdateStatusDisplay();
+            }
+        }
+
+        private void UpdateTimer_Tick(object sender, EventArgs e)
+        {
+            try
+            {
+                // 处理队列中的数据
+                ProcessQueuedData();
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine($"曲线更新失败: {ex.Message}");
+            }
+        }
+
+        // 新增：获取当前数据点数
+        public int GetDataCount()
+        {
+            lock (_lockObject)
+            {
+                return _dataQueue.Count + _torqueSpeedSeries.Points.Count;
+            }
+        }
+
+        // 清空数据
+        public void ClearData()
+        {
+            lock (_lockObject)
+            {
+                _dataQueue.Clear();
+                _torqueSpeedSeries.Points.Clear();
+            }
+
+            if (this.IsLoaded)
+            {
+                _plotModel.InvalidatePlot(true);
+                UpdateStatusDisplay();
+            }
+        }
+    }
+}