修复线程间操作无效错误

- 添加SafeLog、SafeUpdateTextBox、SafeUpdateProgressBar方法处理跨线程UI更新
- 修复btnDetect_Click方法中的UI更新调用
- 确保所有后台线程对UI控件的访问都通过Invoke方法安全执行
- 修复"线程间操作无效: 从不是创建控件的线程访问它"错误

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Form1.cs

@@ -35,51 +35,48 @@ namespace Environmental_testing
 
         private void btnDetect_Click(object sender, EventArgs e)
         {
-            Log("开始系统环境检测...");
+            SafeLog("开始系统环境检测...");
             btnDetect.Enabled = false;
+            ClearAllInfo();
 
             System.Threading.Tasks.Task.Run(() =>
             {
                 try
                 {
-                    // 清空现有信息
-                    ClearAllInfo();
-
                     // 检测进度设置
                     int totalSteps = 5;
                     int currentStep = 0;
 
                     // 1. 检测系统信息
-                    this.Invoke(new Action(() => UpdateProgress(++currentStep, totalSteps, "检测操作系统信息...")));
+                    UpdateProgress(++currentStep, totalSteps, "检测操作系统信息...");
                     var systemInfo = GetSystemInfo();
-                    this.Invoke(new Action(() => txtSystemInfo.Text = systemInfo));
-                    Log("系统信息检测完成");
+                    SafeUpdateTextBox(txtSystemInfo, systemInfo);
+                    SafeLog("系统信息检测完成");
 
                     // 2. 检测硬件信息
-                    this.Invoke(new Action(() => UpdateProgress(++currentStep, totalSteps, "检测硬件配置信息...")));
+                    UpdateProgress(++currentStep, totalSteps, "检测硬件配置信息...");
                     var hardwareInfo = GetHardwareInfo();
-                    this.Invoke(new Action(() => txtHardwareInfo.Text = hardwareInfo));
-                    Log("硬件信息检测完成");
+                    SafeUpdateTextBox(txtHardwareInfo, hardwareInfo);
+                    SafeLog("硬件信息检测完成");
 
                     // 3. 检测网络信息
-                    this.Invoke(new Action(() => UpdateProgress(++currentStep, totalSteps, "检测网络环境信息...")));
+                    UpdateProgress(++currentStep, totalSteps, "检测网络环境信息...");
                     var networkInfo = GetNetworkInfo();
-                    this.Invoke(new Action(() => txtNetworkInfo.Text = networkInfo));
-                    Log("网络信息检测完成");
+                    SafeUpdateTextBox(txtNetworkInfo, networkInfo);
+                    SafeLog("网络信息检测完成");
 
                     // 4. 检测软件环境
-                    this.Invoke(new Action(() => UpdateProgress(++currentStep, totalSteps, "检测软件环境信息...")));
+                    UpdateProgress(++currentStep, totalSteps, "检测软件环境信息...");
                     var softwareInfo = GetSoftwareInfo();
-                    this.Invoke(new Action(() => txtSoftwareInfo.Text = softwareInfo));
-                    Log("软件环境检测完成");
+                    SafeUpdateTextBox(txtSoftwareInfo, softwareInfo);
+                    SafeLog("软件环境检测完成");
 
-                    this.Invoke(new Action(() => UpdateProgress(++currentStep, totalSteps, "检测完成！")));
-
-                    this.Invoke(new Action(() => Log("所有环境检测完成！")));
+                    UpdateProgress(++currentStep, totalSteps, "检测完成！");
+                    SafeLog("所有环境检测完成！");
                 }
                 catch (Exception ex)
                 {
-                    this.Invoke(new Action(() => Log($"检测过程中发生错误: {ex.Message}")));
+                    SafeLog($"检测过程中发生错误: {ex.Message}");
                 }
                 finally
                 {
@@ -132,25 +129,58 @@ namespace Environmental_testing
 
         private void ClearAllInfo()
         {
-            txtSystemInfo.Clear();
-            txtHardwareInfo.Clear();
-            txtNetworkInfo.Clear();
-            txtSoftwareInfo.Clear();
+            SafeUpdateTextBox(txtSystemInfo, "");
+            SafeUpdateTextBox(txtHardwareInfo, "");
+            SafeUpdateTextBox(txtNetworkInfo, "");
+            SafeUpdateTextBox(txtSoftwareInfo, "");
         }
 
         private void UpdateProgress(int current, int total, string status)
         {
-            progressBar.Value = (int)((double)current / total * 100);
-            Log(status);
+            SafeUpdateProgressBar((int)((double)current / total * 100));
+            SafeLog(status);
         }
 
         private void Log(string msg)
         {
+            SafeLog(msg);
+        }
+
+        private void SafeLog(string msg)
+        {
+            if (txtLog.InvokeRequired)
+            {
+                txtLog.Invoke(new Action(() => SafeLog(msg)));
+                return;
+            }
+
             txtLog.AppendText($"[{DateTime.Now:HH:mm:ss}] {msg}\r\n");
             txtLog.ScrollToCaret();
             Application.DoEvents();
         }
 
+        private void SafeUpdateTextBox(TextBox textBox, string text)
+        {
+            if (textBox.InvokeRequired)
+            {
+                textBox.Invoke(new Action(() => SafeUpdateTextBox(textBox, text)));
+                return;
+            }
+
+            textBox.Text = text;
+        }
+
+        private void SafeUpdateProgressBar(int value)
+        {
+            if (progressBar.InvokeRequired)
+            {
+                progressBar.Invoke(new Action(() => SafeUpdateProgressBar(value)));
+                return;
+            }
+
+            progressBar.Value = value;
+        }
+
         private string GetSystemInfo()
         {
             var sb = new StringBuilder();