HomePage.xaml.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Media;
 
 namespace PLCDataMonitor
 {
@@ -19,21 +20,66 @@ namespace PLCDataMonitor
         public event EventHandler PauseRequested;
         public event EventHandler ResumeRequested;
 
+        // 【修改点 2】合并点击逻辑
         private void PauseButton_Click(object sender, RoutedEventArgs e)
         {
-            PauseRequested?.Invoke(this, EventArgs.Empty);
+            string currentContent = PauseButton.Content.ToString();
+
+            if (currentContent == "暂停")
+            {
+                // 当前是运行状态，点击后变为暂停
+                PauseRequested?.Invoke(this, EventArgs.Empty);
+
+                // 立即更新按钮样式为“继续”
+                PauseButton.Content = "继续";
+                PauseButton.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#27AE60")); // 绿色
+            }
+            else
+            {
+                // 当前是暂停状态，点击后变为继续
+                ResumeRequested?.Invoke(this, EventArgs.Empty);
+
+                // 立即更新按钮样式为“暂停”
+                PauseButton.Content = "暂停";
+                PauseButton.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#E67E22")); // 橙色
+            }
         }
 
-        private void ResumeButton_Click(object sender, RoutedEventArgs e)
+        //private void ResumeButton_Click(object sender, RoutedEventArgs e)
+        //{
+        //    ResumeRequested?.Invoke(this, EventArgs.Empty);
+        //}
+
+
+
+        // 【新增】供 MainWindow 调用的方法，以防 PLC 状态自行变化导致按钮状态不同步
+        public void SetButtonState(bool isPaused)
         {
-            ResumeRequested?.Invoke(this, EventArgs.Empty);
+            if (isPaused)
+            {
+                PauseButton.Content = "继续";
+                PauseButton.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#27AE60"));
+            }
+            else
+            {
+                PauseButton.Content = "暂停";
+                PauseButton.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#E67E22"));
+            }
         }
 
+
+
         public void UpdateAlarms(string alarmMessage)
         {
+            try
+            {
+                Dispatcher.Invoke(() =>   // 更新滚动报警控件的文本
+                   AlarmScrollingCtrl.Text = alarmMessage);
+            }
+            catch
+            {
 
-            Dispatcher.Invoke(() =>   // 更新滚动报警控件的文本
-    AlarmScrollingCtrl.Text = alarmMessage);
+            }
         }
 
         // 更新数据显示