more modern coding style

.editorconfig

@@ -18,6 +18,24 @@ dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = suggestion
 dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
 dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
 
+## constant fields should be PascalCase
+dotnet_naming_rule.constant_fields_should_be_pascal_case.severity = error
+dotnet_naming_rule.constant_fields_should_be_pascal_case.symbols  = constant_fields
+dotnet_naming_rule.constant_fields_should_be_pascal_case.style    = pascal_case_style
+dotnet_naming_symbols.constant_fields.applicable_kinds   = field
+dotnet_naming_symbols.constant_fields.required_modifiers = const
+dotnet_naming_style.pascal_case_style.capitalization = pascal_case
+
+dotnet_naming_rule.private_members_with_underscore.symbols  = private_fields
+dotnet_naming_rule.private_members_with_underscore.style    = prefix_underscore
+dotnet_naming_rule.private_members_with_underscore.severity = suggestion
+
+dotnet_naming_symbols.private_fields.applicable_kinds           = field
+dotnet_naming_symbols.private_fields.applicable_accessibilities = private
+
+dotnet_naming_style.prefix_underscore.capitalization = camel_case
+dotnet_naming_style.prefix_underscore.required_prefix = _
+
 # Symbol specifications
 
 dotnet_naming_symbols.interface.applicable_kinds = interface
@@ -138,4 +156,7 @@ dotnet_diagnostic.SYSLIB0014.severity = none
 # SYSLIB0050: Type or member is obsolete
 dotnet_diagnostic.SYSLIB0050.severity = none
 # SYSLIB0051: Type or member is obsolete
-dotnet_diagnostic.SYSLIB0051.severity = none
+dotnet_diagnostic.SYSLIB0051.severity = none
+
+# KR1012: Classes should be sealed.
+dotnet_diagnostic.KR1012.severity = none

src/integration-testing/log4net-672/Program.cs

@@ -6,9 +6,9 @@
 using log4net;
 using log4net.Config;
 
-const int NO_ERROR = 0;
-const int MISSING_LOGS = 1;
-const int OVERWRITTEN_LOGS = 2;
+const int NoError = 0;
+const int MissingLogs = 1;
+const int OverwrittenLogs = 2;
 
 var appPath = new Uri(Assembly.GetExecutingAssembly().Location).LocalPath;
 var appFolder = Path.GetDirectoryName(appPath);
@@ -38,7 +38,7 @@
   var logged = LogWith(identifier, logCount);
   if (logged != logCount)
   {
-    Die($"Missing logs immediately for '{identifier}' - found {logged}/{logCount}", MISSING_LOGS);
+    Die($"Missing logs immediately for '{identifier}' - found {logged}/{logCount}", MissingLogs);
   }
 }
 
@@ -47,12 +47,12 @@
   var logged = CountIdentifierInLogs(identifier);
   if (logged != logCount)
   {
-    Die($"Logs have been overwritten for '{identifier}' - found {logged}/{logCount}", OVERWRITTEN_LOGS);
+    Die($"Logs have been overwritten for '{identifier}' - found {logged}/{logCount}", OverwrittenLogs);
   }
 }
 
 Console.WriteLine("All good: LOG4NET-672 is resolved");
-return NO_ERROR;
+return NoError;
 
 void Die(string message, int exitCode)
 {

src/integration-testing/log4net2-SerializeEvent/SerializeEventProgram.cs

@@ -18,7 +18,7 @@
 
 var stackTrace = new StackTrace(true);
 
-var log4net2Event = new LoggingEvent(new LoggingEventData
+var log4Net2Event = new LoggingEvent(new LoggingEventData
 {
   // Deliberate use of obsolete local timestamp.
 #pragma warning disable CS0618 // Type or member is obsolete
@@ -37,8 +37,8 @@
   Properties = new PropertiesDictionary { ["foo"] = "bar" },
 });
 
-log4net2Event.Fix = FixFlags.All;
+log4Net2Event.Fix = FixFlags.All;
 
 using var stream = File.OpenWrite("SerializeV2Event.dat");
 var formatter = new BinaryFormatter();
-formatter.Serialize(stream, log4net2Event);
+formatter.Serialize(stream, log4Net2Event);

src/log4net.Tests/Appender/AdoNet/Log4NetCommand.cs

@@ -22,88 +22,87 @@
 using System;
 using System.Data;
 
-namespace log4net.Tests.Appender.AdoNet
+namespace log4net.Tests.Appender.AdoNet;
+
+public class Log4NetCommand : IDbCommand
 {
-  public class Log4NetCommand : IDbCommand
+  public Log4NetCommand()
   {
-    public Log4NetCommand()
-    {
-      MostRecentInstance = this;
+    MostRecentInstance = this;
 
-      Parameters = new Log4NetParameterCollection();
-    }
+    Parameters = new Log4NetParameterCollection();
+  }
 
-    public void Dispose()
-    {
-      // empty
-    }
+  public void Dispose()
+  {
+    // empty
+  }
 
-    public IDbTransaction? Transaction { get; set; }
+  public IDbTransaction? Transaction { get; set; }
 
-    public int ExecuteNonQuery()
-    {
-      ExecuteNonQueryCount++;
-      return 0;
-    }
+  public int ExecuteNonQuery()
+  {
+    ExecuteNonQueryCount++;
+    return 0;
+  }
 
-    public int ExecuteNonQueryCount { get; private set; }
+  public int ExecuteNonQueryCount { get; private set; }
 
-    public IDbDataParameter CreateParameter()
-    {
-      return new Log4NetParameter();
-    }
+  public IDbDataParameter CreateParameter()
+  {
+    return new Log4NetParameter();
+  }
 
 #pragma warning disable CS8766 // Nullability of reference types in return type doesn't match implicitly implemented member (possibly because of nullability attributes).
-    public string? CommandText { get; set; }
+  public string? CommandText { get; set; }
 #pragma warning restore CS8766
 
-    public CommandType CommandType { get; set; }
-
-    public void Prepare()
-    {
-      // empty
-    }
-
-    public IDataParameterCollection Parameters { get; }
-
-    public static Log4NetCommand? MostRecentInstance { get; private set; }
-
-    public void Cancel()
-    {
-      throw new NotImplementedException();
-    }
-
-    public IDataReader ExecuteReader()
-    {
-      throw new NotImplementedException();
-    }
-
-    public IDataReader ExecuteReader(CommandBehavior behavior)
-    {
-      throw new NotImplementedException();
-    }
-
-    public object ExecuteScalar()
-    {
-      throw new NotImplementedException();
-    }
-
-    public IDbConnection? Connection
-    {
-      get => throw new NotImplementedException();
-      set => throw new NotImplementedException();
-    }
-
-    public int CommandTimeout
-    {
-      get => throw new NotImplementedException();
-      set => throw new NotImplementedException();
-    }
-
-    public UpdateRowSource UpdatedRowSource
-    {
-      get => throw new NotImplementedException();
-      set => throw new NotImplementedException();
-    }
+  public CommandType CommandType { get; set; }
+
+  public void Prepare()
+  {
+    // empty
+  }
+
+  public IDataParameterCollection Parameters { get; }
+
+  public static Log4NetCommand? MostRecentInstance { get; private set; }
+
+  public void Cancel()
+  {
+    throw new NotImplementedException();
+  }
+
+  public IDataReader ExecuteReader()
+  {
+    throw new NotImplementedException();
+  }
+
+  public IDataReader ExecuteReader(CommandBehavior behavior)
+  {
+    throw new NotImplementedException();
+  }
+
+  public object ExecuteScalar()
+  {
+    throw new NotImplementedException();
+  }
+
+  public IDbConnection? Connection
+  {
+    get => throw new NotImplementedException();
+    set => throw new NotImplementedException();
+  }
+
+  public int CommandTimeout
+  {
+    get => throw new NotImplementedException();
+    set => throw new NotImplementedException();
+  }
+
+  public UpdateRowSource UpdatedRowSource
+  {
+    get => throw new NotImplementedException();
+    set => throw new NotImplementedException();
   }
 }

src/log4net.Tests/Appender/AdoNet/Log4NetConnection.cs

@@ -22,62 +22,61 @@
 using System;
 using System.Data;
 
-namespace log4net.Tests.Appender.AdoNet
+namespace log4net.Tests.Appender.AdoNet;
+
+public class Log4NetConnection : IDbConnection
 {
-  public class Log4NetConnection : IDbConnection
-  {
-    private bool _open;
+  private bool _open;
 
-    public Log4NetConnection()
-    {
-      MostRecentInstance = this;
-    }
+  public Log4NetConnection()
+  {
+    MostRecentInstance = this;
+  }
 
-    public void Close()
-    {
-      _open = false;
-    }
+  public void Close()
+  {
+    _open = false;
+  }
 
-    public ConnectionState State => _open ? ConnectionState.Open : ConnectionState.Closed;
+  public ConnectionState State => _open ? ConnectionState.Open : ConnectionState.Closed;
 
 #pragma warning disable CS8766 // Nullability of reference types in return type doesn't match implicitly implemented member (possibly because of nullability attributes).
-    public string? ConnectionString { get; set; }
+  public string? ConnectionString { get; set; }
 #pragma warning restore CS8766
 
-    public IDbTransaction BeginTransaction()
-    {
-      return new Log4NetTransaction();
-    }
+  public IDbTransaction BeginTransaction()
+  {
+    return new Log4NetTransaction();
+  }
 
-    public IDbCommand CreateCommand()
-    {
-      return new Log4NetCommand();
-    }
+  public IDbCommand CreateCommand()
+  {
+    return new Log4NetCommand();
+  }
 
-    public void Open()
-    {
-      _open = true;
-    }
+  public void Open()
+  {
+    _open = true;
+  }
 
-    public static Log4NetConnection? MostRecentInstance { get; private set; }
+  public static Log4NetConnection? MostRecentInstance { get; private set; }
 
-    public IDbTransaction BeginTransaction(IsolationLevel il)
-    {
-      throw new NotImplementedException();
-    }
+  public IDbTransaction BeginTransaction(IsolationLevel il)
+  {
+    throw new NotImplementedException();
+  }
 
-    public void ChangeDatabase(string databaseName)
-    {
-      throw new NotImplementedException();
-    }
+  public void ChangeDatabase(string databaseName)
+  {
+    throw new NotImplementedException();
+  }
 
-    public int ConnectionTimeout => throw new NotImplementedException();
+  public int ConnectionTimeout => throw new NotImplementedException();
 
-    public string Database => throw new NotImplementedException();
+  public string Database => throw new NotImplementedException();
 
-    public void Dispose()
-    {
-      throw new NotImplementedException();
-    }
+  public void Dispose()
+  {
+    throw new NotImplementedException();
   }
 }