捕获异常, 写出日志

App.xaml.cs

@@ -1,7 +1,9 @@
 using GeekDesk.Constant;
+using GeekDesk.Util;
 using Microsoft.Win32;
 using System;
 using System.IO;
+using System.Text;
 using System.Windows;
 using System.Windows.Media.Animation;
 using System.Windows.Threading;
@@ -19,6 +21,8 @@ namespace GeekDesk
         public App()
         {
             this.Startup += new StartupEventHandler(App_Startup);
+            Application.Current.DispatcherUnhandledException += Current_DispatcherUnhandledException;
+            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
         }
 
         private void App_Startup(object sender, StartupEventArgs e)
@@ -35,47 +39,24 @@ namespace GeekDesk
                 }
             }
         }
-    }
-
-
-
-      
-    //    private void WriteLog(object exception)
-    //    {
-    //        Exception ex = exception as Exception;
-
-    //        using (FileStream fs = File.Open(".//ErrorLog.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite))
-    //        {
-    //            fs.Seek(0, SeekOrigin.End);
-    //            byte[] buffer = Encoding.Default.GetBytes("-------------------------------------------------------\r\n");
-    //            fs.Write(buffer, 0, buffer.Length);
-
-    //            buffer = Encoding.Default.GetBytes(DateTime.Now.ToString() + "\r\n");
-    //            fs.Write(buffer, 0, buffer.Length);
-
-    //            if (ex != null)
-    //            {
-    //                buffer = Encoding.Default.GetBytes("成员名: " + ex.TargetSite + "\r\n");
-    //                fs.Write(buffer, 0, buffer.Length);
 
-    //                buffer = Encoding.Default.GetBytes("引发异常的类: " + ex.TargetSite.DeclaringType + "\r\n");
-    //                fs.Write(buffer, 0, buffer.Length);
+        void Current_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
+        {
+            e.Handled = true;//使用这一行代码告诉运行时，该异常被处理了，不再作为UnhandledException抛出了。
+            LogUtil.WriteErrorLog(e, "未捕获异常!");
+            if (Constants.DEV)
+            {
+                MessageBox.Show("GeekDesk遇到一个问题, 不用担心, 这不影响其它操作!");
+            }
+        }
 
-    //                buffer = Encoding.Default.GetBytes("异常信息: " + ex.Message + "\r\n");
-    //                fs.Write(buffer, 0, buffer.Length);
+        void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
+        {
+            LogUtil.WriteErrorLog(e, "严重异常!");
+            MessageBox.Show("GeekDesk遇到未知问题崩溃!");
+        }
 
-    //                buffer = Encoding.Default.GetBytes("引发异常的程序集或对象: " + ex.Source + "\r\n");
-    //                fs.Write(buffer, 0, buffer.Length);
 
-    //                buffer = Encoding.Default.GetBytes("栈：" + ex.StackTrace + "\r\n");
-    //                fs.Write(buffer, 0, buffer.Length);
-    //            }
-    //            else
-    //            {
-    //                buffer = Encoding.Default.GetBytes("应用程序错误: " + exception.ToString() + "\r\n");
-    //                fs.Write(buffer, 0, buffer.Length);
-    //            }
-    //        }
+    }
 
-    //}
 }

Control/Other/IconInfoUrlDialog.xaml.cs

@@ -89,9 +89,10 @@ namespace GeekDesk.Control.Other
                     info.BitmapImage = ImageUtil.GetBitmapIconByPath(ofd.FileName);
                     CommonCode.SaveAppData(MainWindow.appData);
                 }
-            } catch (Exception)
+            } catch (Exception ex)
             {
                 HandyControl.Controls.Growl.WarningGlobal("修改图标失败,已重置为默认图标!");
+                LogUtil.WriteErrorLog(ex, "修改图标失败!");
             }
             
         }

Control/UserControls/Config/ThemeControl.xaml.cs

@@ -53,8 +53,9 @@ namespace GeekDesk.Control.UserControls.Config
                     appConfig.BacImgName = ofd.FileName;
                 }
             }
-            catch (Exception)
+            catch (Exception ex)
             {
+                LogUtil.WriteErrorLog(ex, "修改背景失败,已重置为默认背景!");
                 HandyControl.Controls.Growl.WarningGlobal("修改背景失败,已重置为默认背景!");
             }
 
@@ -69,8 +70,9 @@ namespace GeekDesk.Control.UserControls.Config
                 appConfig.BitmapImage = ImageUtil.Base64ToBitmapImage(Constants.DEFAULT_BAC_IMAGE_BASE64);
                 appConfig.BacImgName = "系统默认";
             }
-            catch (Exception)
+            catch (Exception ex)
             {
+                LogUtil.WriteErrorLog(ex, "修改背景失败2,已重置为默认背景!");
                 HandyControl.Controls.Growl.WarningGlobal("修改背景失败,已重置为默认背景!");
             }
 

Util/ImageUtil.cs

@@ -202,8 +202,9 @@ namespace GeekDesk.Util
                     return bm;
                 }
             }
-            catch (Exception)
+            catch (Exception ex)
             {
+                LogUtil.WriteErrorLog(ex, "获取缩略图失败!filePath=" + filePath);
                 return Base64ToBitmapImage(Constants.DEFAULT_IMG_IMAGE_BASE64);
             }
             
@@ -302,8 +303,9 @@ namespace GeekDesk.Util
                 ms.Close();
                 return Convert.ToBase64String(arr);
             }
-            catch (Exception)
+            catch (Exception ex)
             {
+                LogUtil.WriteErrorLog(ex, "文件转base64失败!Imagefilename=" + Imagefilename);
                 return null;
             }
         }

Util/RegisterUtil.cs

@@ -48,10 +48,9 @@ namespace GeekDesk.Util
                         key.Close();
 
                     }
-#pragma warning disable CS0168 // 声明了变量“ex”，但从未使用过
                     catch (Exception ex)
-#pragma warning restore CS0168 // 声明了变量“ex”，但从未使用过
                     {
+                        LogUtil.WriteErrorLog(ex, "设置开机/取消失败!started=" + started);
                         return false;
                     }
                 }
@@ -62,19 +61,17 @@ namespace GeekDesk.Util
                         key.DeleteValue(exeName);//取消开机启动
                         key.Close();
                     }
-#pragma warning disable CS0168 // 声明了变量“ex”，但从未使用过
                     catch (Exception ex)
-#pragma warning restore CS0168 // 声明了变量“ex”，但从未使用过
                     {
+                        LogUtil.WriteErrorLog(ex, "取消开机启动失败!started=" + started);
                         return false;
                     }
                 }
                 return true;
             }
-#pragma warning disable CS0168 // 声明了变量“ex”，但从未使用过
             catch (Exception ex)
-#pragma warning restore CS0168 // 声明了变量“ex”，但从未使用过
             {
+                LogUtil.WriteErrorLog(ex, "取消/开机/失败!started=" + started);
                 if (key != null)
                 {
                     key.Close();