feat: Web-UI als zweiter Ausgabeweg neben Avalonia-Shell (#490)
- Einheitlicher WebserverWorker in IBKRTrader.Hosting auf Kestrel-Basis - Token-Authentifizierung (AuthService) mit zeitkonstantem Vergleich und HMAC-Session-Tokens - OrderManager im Core fuer Bestands- und Reservierungsabgleich offener Broker-Orders - SettingsSchema fuer reflexionsbasiertes Auslesen und sichere Aktualisierung ohne Klartext-Passwoerter - SSE-Streaming (LogStreamService) fuer Echtzeit-Logs ueber isolierte Channels - Statische Single-Page-Application in wwwroot (Avalonia Fluent / Polytrader Theme) fuer alle 9 Ansichten - Unit-Tests fuer OrderManager, AuthService, SettingsSchema, LogStreamService und WebserverWorker (498 Tests gruen)
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Richard
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using System.ComponentModel;
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using System.Globalization;
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using System.Reflection;
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namespace IBKRTrader.Core.Settings;
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/// <summary>
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/// Beschreibung eines einzelnen bearbeitbaren Einstellungsfelds für Oberflächen (Desktop & Web).
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/// </summary>
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public sealed class SettingsFieldInfo
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{
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public required string Path { get; init; }
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public required string DisplayName { get; init; }
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public required string Description { get; init; }
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public required Type ValueType { get; init; }
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public required string TypeName { get; init; }
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public required bool IsPassword { get; init; }
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public string[]? EnumValues { get; init; }
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public required Func<object?> Get { get; init; }
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public required Action<object?> Set { get; init; }
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}
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/// <summary>
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/// Ein logischer Abschnitt von Einstellungen (z. B. "Trading", "Webserver", "Datenbank").
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/// </summary>
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public sealed record SettingsSectionInfo(string Title, string Key, IReadOnlyList<SettingsFieldInfo> Fields);
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/// <summary>
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/// DTO-Struktur für die Web-API: Serialisierbare Repräsentation eines Felds.
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/// Geheimnisse (Passwörter/Tokens) werden niemals lesend herausgegeben.
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/// </summary>
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public sealed record SettingsFieldDto(
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string Path,
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string DisplayName,
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string Description,
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string TypeName,
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bool IsPassword,
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bool HasValue,
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object? Value,
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string[]? EnumValues);
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/// <summary>
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/// DTO-Struktur für die Web-API: Serialisierbare Repräsentation eines Abschnitts.
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/// </summary>
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public sealed record SettingsSectionDto(
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string Title,
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string Key,
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IReadOnlyList<SettingsFieldDto> Fields);
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/// <summary>
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/// Erstellt strukturierte Einstellungsmetadaten aus den Attributen der <see cref="AppSettings"/>.
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/// Geteilt zwischen Desktop (Avalonia) und Web (Minimal API), damit beide exakt dieselbe
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/// Struktur und dieselben Validierungsregeln verwenden.
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/// </summary>
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public static class SettingsSchema
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{
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private static bool IsLeaf(Type t) =>
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t == typeof(string) || t.IsEnum ||
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t == typeof(int) || t == typeof(long) || t == typeof(double) ||
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t == typeof(decimal) || t == typeof(bool);
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private static string TypeToName(Type t)
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{
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if (t == typeof(bool)) return "bool";
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if (t.IsEnum) return "enum";
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if (t == typeof(int) || t == typeof(long)) return "int";
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if (t == typeof(double) || t == typeof(decimal)) return "decimal";
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return "string";
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}
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/// <summary>
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/// Analysiert das Konfigurationsobjekt per Reflection und erzeugt die Abschnittsliste.
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/// </summary>
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public static IReadOnlyList<SettingsSectionInfo> Build(object root)
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{
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var sections = new List<SettingsSectionInfo>();
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Walk(root, prefixTitle: null, prefixKey: null, sections);
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return sections;
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}
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/// <summary>
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/// Erzeugt ein sicheres DTO für die Web-API. Passwörter und Tokens werden maskiert.
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/// </summary>
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public static IReadOnlyList<SettingsSectionDto> ToDto(object root)
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{
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var sections = Build(root);
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return sections.Select(s => new SettingsSectionDto(
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Title: s.Title,
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Key: s.Key,
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Fields: s.Fields.Select(f =>
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{
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var val = f.Get();
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var hasVal = val != null && (!(val is string str) || !string.IsNullOrWhiteSpace(str));
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return new SettingsFieldDto(
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Path: f.Path,
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DisplayName: f.DisplayName,
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Description: f.Description,
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TypeName: f.TypeName,
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IsPassword: f.IsPassword,
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HasValue: hasVal,
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// Wenn IsPassword true ist, wird der echte Wert niemals herausgegeben!
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Value: f.IsPassword ? null : val,
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EnumValues: f.EnumValues);
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}).ToList())).ToList();
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}
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/// <summary>
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/// Wendet einen vom Web-Client übergebenen Wert auf das passende Feld an.
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/// </summary>
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public static bool TrySetValue(object root, string path, object? rawValue)
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{
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var sections = Build(root);
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var field = sections.SelectMany(s => s.Fields)
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.FirstOrDefault(f => string.Equals(f.Path, path, StringComparison.OrdinalIgnoreCase));
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if (field == null) return false;
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// Wenn ein Passwortfeld leer übergeben wird, bleibt das alte Kennwort unberührt
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if (field.IsPassword && (rawValue == null || (rawValue is string s && string.IsNullOrWhiteSpace(s))))
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return true;
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try
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{
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if (field.ValueType == typeof(bool))
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{
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var b = rawValue switch
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{
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bool boolVal => boolVal,
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string strVal => bool.TryParse(strVal, out var parsed) && parsed,
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_ => false
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};
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field.Set(b);
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return true;
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}
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if (field.ValueType.IsEnum)
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{
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var str = rawValue?.ToString();
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if (str != null && Enum.TryParse(field.ValueType, str, true, out var enumVal))
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{
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field.Set(enumVal);
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return true;
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}
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return false;
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}
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if (field.ValueType == typeof(int))
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{
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var num = Convert.ToInt32(rawValue, CultureInfo.InvariantCulture);
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field.Set(num);
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return true;
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}
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if (field.ValueType == typeof(decimal))
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{
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var dec = Convert.ToDecimal(rawValue, CultureInfo.InvariantCulture);
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field.Set(dec);
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return true;
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}
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if (field.ValueType == typeof(double))
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{
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var dbl = Convert.ToDouble(rawValue, CultureInfo.InvariantCulture);
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field.Set(dbl);
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return true;
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}
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field.Set(rawValue?.ToString() ?? "");
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return true;
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}
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catch
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{
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return false;
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}
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}
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private static void Walk(object owner, string? prefixTitle, string? prefixKey, List<SettingsSectionInfo> sections)
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{
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var fields = new List<SettingsFieldInfo>();
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foreach (var prop in owner.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance))
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{
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if (!prop.CanRead || prop.GetIndexParameters().Length > 0) continue;
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var title = prop.GetCustomAttribute<DisplayNameAttribute>()?.DisplayName ?? prop.Name;
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var key = prefixKey == null ? prop.Name : $"{prefixKey}.{prop.Name}";
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if (IsLeaf(prop.PropertyType))
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{
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if (!prop.CanWrite) continue;
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var target = owner;
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var isPassword = prop.GetCustomAttribute<PasswordPropertyTextAttribute>()?.Password == true ||
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prop.Name.Contains("Password", StringComparison.OrdinalIgnoreCase) ||
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prop.Name.Contains("ApiToken", StringComparison.OrdinalIgnoreCase) ||
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prop.Name.Contains("AuthToken", StringComparison.OrdinalIgnoreCase);
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fields.Add(new SettingsFieldInfo
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{
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Path = key,
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DisplayName = title,
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Description = prop.GetCustomAttribute<DescriptionAttribute>()?.Description ?? "",
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ValueType = prop.PropertyType,
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TypeName = TypeToName(prop.PropertyType),
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IsPassword = isPassword,
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EnumValues = prop.PropertyType.IsEnum ? Enum.GetNames(prop.PropertyType) : null,
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Get = () => prop.GetValue(target),
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Set = v => prop.SetValue(target, v)
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});
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continue;
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}
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if (prop.PropertyType.IsClass && prop.PropertyType.Namespace?.StartsWith("IBKRTrader", StringComparison.Ordinal) == true)
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{
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var child = prop.GetValue(owner);
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if (child != null)
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{
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Walk(child,
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prefixTitle == null ? title : $"{prefixTitle} · {title}",
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key,
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sections);
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}
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}
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}
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if (fields.Count > 0)
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{
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sections.Add(new SettingsSectionInfo(
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Title: prefixTitle ?? "Allgemein",
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Key: prefixKey ?? "Root",
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Fields: fields));
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}
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}
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}
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