Localization.

Compilation.Roslyn/Compilation.Roslyn.csproj

@@ -11,5 +11,6 @@
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Compilation\Compilation.csproj" />
+    <ProjectReference Include="..\Localization\Localization.csproj" />
   </ItemGroup>
 </Project>

Compilation.Roslyn/RoslynCompiler.cs

@@ -11,6 +11,7 @@
 
 	using Ecng.Common;
 	using Ecng.Compilation;
+	using Ecng.Localization;
 
 	using Microsoft.CodeAnalysis;
 	using Microsoft.CodeAnalysis.CSharp;
@@ -137,7 +138,7 @@ byte[] getBody()
 						DiagnosticSeverity.Hidden or DiagnosticSeverity.Info => CompilationErrorTypes.Info,
 						DiagnosticSeverity.Warning => CompilationErrorTypes.Warning,
 						DiagnosticSeverity.Error => CompilationErrorTypes.Error,
-						_ => throw new ArgumentOutOfRangeException(nameof(diagnostic), diagnostic.Severity, "Invalid value."),
+						_ => throw new ArgumentOutOfRangeException(nameof(diagnostic), diagnostic.Severity, "Invalid value.".Localize()),
 					}
 				};
 

ComponentModel/AsyncTimeout.cs

@@ -3,14 +3,16 @@
 using System;
 using System.Threading;
 
+using Ecng.Localization;
+
 public class AsyncTimeout
 {
     public TimeSpan Value { get; }
 
 	public AsyncTimeout(TimeSpan value)
 	{
 		if (value <= TimeSpan.Zero)
-			throw new ArgumentOutOfRangeException(nameof(value), value, "Invalid value.");
+			throw new ArgumentOutOfRangeException(nameof(value), value, "Invalid value.".Localize());
 
 		Value = value;
 	}

ComponentModel/ComponentModel.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\common.props" />
   <ItemGroup>
+    <ProjectReference Include="..\Localization\Localization.csproj" />
     <ProjectReference Include="..\Serialization\Serialization.csproj" />
   </ItemGroup>
 </Project>

ComponentModel/Extensions.cs

@@ -11,6 +11,7 @@ namespace Ecng.ComponentModel
 	using Ecng.Collections;
 	using Ecng.Common;
 	using Ecng.Serialization;
+	using Ecng.Localization;
 
 	public static class Extensions
 	{
@@ -223,7 +224,7 @@ public static IEnumerable<PropertyDescriptor> Typed(this PropertyDescriptorColle
 					throw new ArgumentNullException(nameof(instance));
 
 				if (maxDepth < 0)
-					throw new ArgumentOutOfRangeException(nameof(maxDepth), maxDepth, "Invalid value.");
+					throw new ArgumentOutOfRangeException(nameof(maxDepth), maxDepth, "Invalid value.".Localize());
 
 				var properties = TypeDescriptor.GetProperties(instance, [new BasicSettingAttribute()]).Typed();
 

ComponentModel/OperatorRegistry.cs

@@ -4,6 +4,7 @@ namespace Ecng.ComponentModel
 
 	using Ecng.Collections;
 	using Ecng.Common;
+	using Ecng.Localization;
 
 	public static class OperatorRegistry
 	{
@@ -114,7 +115,7 @@ public static void RemoveOperator<T>(IOperator<T> @operator)
 		public static long ThrowIfNegative(this long value, string name)
 		{
 			if (value < 0)
-				throw new ArgumentOutOfRangeException(name, value, "Invalid value.");
+				throw new ArgumentOutOfRangeException(name, value, "Invalid value.".Localize());
 
 			return value;
 		}

Ecng.sln

@@ -81,6 +81,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Logging", "Logging\Logging.
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Server.Utils", "Server.Utils\Server.Utils.csproj", "{3C29E094-0AA7-4CDA-ABD1-A684E8676A10}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Localization", "Localization\Localization.csproj", "{67E1B2C9-483E-4E8D-9617-C4AF7DC1EDC3}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -231,6 +233,10 @@ Global
 		{3C29E094-0AA7-4CDA-ABD1-A684E8676A10}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3C29E094-0AA7-4CDA-ABD1-A684E8676A10}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3C29E094-0AA7-4CDA-ABD1-A684E8676A10}.Release|Any CPU.Build.0 = Release|Any CPU
+		{67E1B2C9-483E-4E8D-9617-C4AF7DC1EDC3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{67E1B2C9-483E-4E8D-9617-C4AF7DC1EDC3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{67E1B2C9-483E-4E8D-9617-C4AF7DC1EDC3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{67E1B2C9-483E-4E8D-9617-C4AF7DC1EDC3}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Localization/ILocalizer.cs

@@ -0,0 +1,6 @@
+namespace Ecng.Localization;
+
+public interface ILocalizer
+{
+	public string Localize(string enStr);
+}

Localization/Localization.csproj

@@ -0,0 +1,6 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <Import Project="..\common.props" />
+  <ItemGroup>
+    <ProjectReference Include="..\Common\Common.csproj" />
+  </ItemGroup>
+</Project>

Localization/LocalizedStrings.cs

@@ -0,0 +1,39 @@
+namespace Ecng.Localization;
+
+using Ecng.Common;
+
+public static class LocalizedStrings
+{
+	public static ILocalizer Localizer { get; set; }
+
+	public const string InheritedKey = nameof(InheritedKey);
+	public const string VerboseKey = nameof(VerboseKey);
+	public const string DebugKey = nameof(DebugKey);
+	public const string InfoKey = nameof(InfoKey);
+	public const string WarningsKey = nameof(WarningsKey);
+	public const string ErrorsKey = nameof(ErrorsKey);
+	public const string OffKey = nameof(OffKey);
+	public const string IdKey = nameof(IdKey);
+	public const string LoggingKey = nameof(LoggingKey);
+	public const string NameKey = nameof(NameKey);
+	public const string LogSourceNameKey = nameof(LogSourceNameKey);
+	public const string LogLevelKey = nameof(LogLevelKey);
+	public const string LogLevelDescKey = nameof(LogLevelDescKey);
+
+	public static string Inherited => Localize(nameof(Inherited));
+	public static string Verbose => Localize(nameof(Verbose));
+	public static string Debug => Localize(nameof(Debug));
+	public static string Info => Localize(nameof(Info));
+	public static string Warnings => Localize(nameof(Warnings));
+	public static string Errors => Localize(nameof(Errors));
+	public static string Off => Localize(nameof(Off));
+	public static string Id => Localize(nameof(Id));
+	public static string Logging => Localize(nameof(Logging));
+	public static string Name => Localize(nameof(Name));
+	public static string LogSourceName => Localize(nameof(LogSourceName));
+	public static string LogLevel => Localize(nameof(LogLevel));
+	public static string LogLevelDesc => Localize(nameof(LogLevelDesc));
+
+	public static string Localize(this string enStr)
+		=> (Localizer?.Localize(enStr)).IsEmpty(enStr);
+}

Logging/ConsoleLogListener.cs

@@ -1,5 +1,7 @@
 namespace Ecng.Logging;
 
+using Ecng.Localization;
+
 /// <summary>
 /// The logger that records the data to the console window.
 /// </summary>
@@ -26,7 +28,7 @@ protected override void OnWriteMessage(LogMessage message)
 			LogLevels.Verbose or LogLevels.Debug or LogLevels.Info => ConsoleHelper.Info,
 			LogLevels.Warning => ConsoleHelper.Warning,
 			LogLevels.Error => ConsoleHelper.Error,
-			_ => throw new ArgumentOutOfRangeException(nameof(message), message.Level, "Invalid value."),
+			_ => throw new ArgumentOutOfRangeException(nameof(message), message.Level, "Invalid value.".Localize()),
 		};
 		var newLine = "{0} | {1, -15} | {2}".Put(message.Time.ToString(TimeFormat), message.Source.Name, message.Message);
 

Logging/DebugLogListener.cs

@@ -2,6 +2,8 @@ namespace Ecng.Logging;
 
 using System.Text;
 
+using Ecng.Localization;
+
 /// <summary>
 /// The strategy logger that records the data to the debug window.
 /// </summary>
@@ -56,7 +58,7 @@ private static void Dump(LogLevels level, StringBuilder builder)
 				Trace.TraceError(str);
 				break;
 			default:
-				throw new ArgumentOutOfRangeException(nameof(level), level, "Invalid value.");
+				throw new ArgumentOutOfRangeException(nameof(level), level, "Invalid value.".Localize());
 		}
 
 		builder.Clear();

Logging/FileLogListener.cs

@@ -4,6 +4,8 @@ namespace Ecng.Logging;
 using System.IO.Compression;
 using System.Text;
 
+using Ecng.Localization;
+
 /// <summary>
 /// Modes of log files splitting by date.
 /// </summary>
@@ -136,7 +138,7 @@ public long MaxLength
 		set
 		{
 			if (value < 0)
-				throw new ArgumentOutOfRangeException(nameof(value), value, "Invalid value.");
+				throw new ArgumentOutOfRangeException(nameof(value), value, "Invalid value.".Localize());
 
 			_maxLength = value;
 		}
@@ -153,7 +155,7 @@ public int MaxCount
 		set
 		{
 			if (value < 0)
-				throw new ArgumentOutOfRangeException(nameof(value), value, "Invalid value.");
+				throw new ArgumentOutOfRangeException(nameof(value), value, "Invalid value.".Localize());
 
 			_maxCount = value;
 		}
@@ -296,7 +298,7 @@ private string GetFileName(string sourceName, DateTime date)
 				Directory.CreateDirectory(dirName);
 				break;
 			default:
-				throw new ArgumentOutOfRangeException();
+				throw new ArgumentOutOfRangeException(nameof(SeparateByDates), SeparateByDates, "Invalid value.".Localize());
 		}
 
 		fileName = Path.Combine(dirName, fileName);
@@ -330,7 +332,7 @@ private void TryDoHistoryPolicy()
 				isDir = true;
 				break;
 			default:
-				throw new ArgumentOutOfRangeException(nameof(SeparateByDates), SeparateByDates, "Invalid value.");
+				throw new ArgumentOutOfRangeException(nameof(SeparateByDates), SeparateByDates, "Invalid value.".Localize());
 		}
 
 		if (SeparateByDates == SeparateByDateModes.None)
@@ -356,7 +358,7 @@ private void TryDoHistoryPolicy()
 				break;
 			}
 			default:
-				throw new ArgumentOutOfRangeException(nameof(HistoryPolicy), policy, "Invalid value.");
+				throw new ArgumentOutOfRangeException(nameof(HistoryPolicy), policy, "Invalid value.".Localize());
 		}
 
 		var files = new List<string>();

Logging/ILogSource.cs

@@ -1,8 +1,10 @@
 namespace Ecng.Logging;
 
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 using Ecng.ComponentModel;
+using Ecng.Localization;
 
 /// <summary>
 /// Logs source interface.
@@ -65,25 +67,25 @@ protected BaseLogSource()
 
 	/// <inheritdoc />
 	[Browsable(false)]
-	//[Display(
-	//	ResourceType = typeof(LocalizedStrings),
-	//	Name = LocalizedStrings.IdKey,
-	//	Description = LocalizedStrings.IdKey,
-	//	GroupName = LocalizedStrings.LoggingKey,
-	//	Order = 1000)]
+	[Display(
+		ResourceType = typeof(LocalizedStrings),
+		Name = LocalizedStrings.IdKey,
+		Description = LocalizedStrings.IdKey,
+		GroupName = LocalizedStrings.LoggingKey,
+		Order = 1000)]
 	[ReadOnly(true)]
 	public virtual Guid Id { get; set; } = Guid.NewGuid();
 
 	private string _name;
 
 	/// <inheritdoc />
 	[ReadOnly(true)]
-	//[Display(
-	//	ResourceType = typeof(LocalizedStrings),
-	//	Name = LocalizedStrings.NameKey,
-	//	Description = LocalizedStrings.LogSourceNameKey,
-	//	GroupName = LocalizedStrings.LoggingKey,
-	//	Order = 1001)]
+	[Display(
+		ResourceType = typeof(LocalizedStrings),
+		Name = LocalizedStrings.NameKey,
+		Description = LocalizedStrings.LogSourceNameKey,
+		GroupName = LocalizedStrings.LoggingKey,
+		Order = 1001)]
 	public virtual string Name
 	{
 		get => _name;
@@ -125,12 +127,12 @@ public ILogSource Parent
 	public event Action<ILogSource> ParentRemoved;
 
 	/// <inheritdoc />
-	//[Display(
-	//	ResourceType = typeof(LocalizedStrings),
-	//	Name = LocalizedStrings.LogLevelKey,
-	//	Description = LocalizedStrings.LogLevelKey + LocalizedStrings.Dot,
-	//	GroupName = LocalizedStrings.LoggingKey,
-	//	Order = 1001)]
+	[Display(
+		ResourceType = typeof(LocalizedStrings),
+		Name = LocalizedStrings.LogLevelKey,
+		Description = LocalizedStrings.LogLevelDescKey,
+		GroupName = LocalizedStrings.LoggingKey,
+		Order = 1001)]
 	public virtual LogLevels LogLevel { get; set; } = LogLevels.Inherit;
 
 	/// <inheritdoc />

Logging/LogLevels.cs

@@ -1,7 +1,10 @@
 namespace Ecng.Logging;
 
+using System.ComponentModel.DataAnnotations;
 using System.Runtime.Serialization;
 
+using Ecng.Localization;
+
 /// <summary>
 /// Levels of log messages <see cref="LogMessage"/>.
 /// </summary>
@@ -11,49 +14,49 @@ public enum LogLevels
 	/// <summary>
 	/// To use the logging level of the container.
 	/// </summary>
-	//[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.InheritedKey)]
+	[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.InheritedKey)]
 	[EnumMember]
 	Inherit,
 
 	/// <summary>
 	/// Verbose message, debug message, information, warnings and errors.
 	/// </summary>
 	[EnumMember]
-	//[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.VerboseKey)]
+	[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.VerboseKey)]
 	Verbose,
 
 	/// <summary>
 	/// Debug message, information, warnings and errors.
 	/// </summary>
 	[EnumMember]
-	//[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.DebugKey)]
+	[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.DebugKey)]
 	Debug,
 
 	/// <summary>
 	/// Information, warnings and errors.
 	/// </summary>
 	[EnumMember]
-	//[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.InfoKey)]
+	[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.InfoKey)]
 	Info,
 
 	/// <summary>
 	/// Warnings and errors.
 	/// </summary>
 	[EnumMember]
-	//[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.WarningsKey)]
+	[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.WarningsKey)]
 	Warning,
 
 	/// <summary>
 	/// Errors only.
 	/// </summary>
 	[EnumMember]
-	//[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.ErrorsKey)]
+	[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.ErrorsKey)]
 	Error,
 
 	/// <summary>
 	/// Logs off.
 	/// </summary>
 	[EnumMember]
-	//[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.OffKey)]
+	[Display(ResourceType = typeof(LocalizedStrings), Name = LocalizedStrings.OffKey)]
 	Off,
 }

Logging/Logging.csproj

@@ -2,5 +2,6 @@
   <Import Project="..\common.props" />
   <ItemGroup>
     <ProjectReference Include="..\ComponentModel\ComponentModel.csproj" />
+    <ProjectReference Include="..\Localization\Localization.csproj" />
   </ItemGroup>
 </Project>