File: System\Configuration\TypeNameConverter.cs
Project: ndp\fx\src\Configuration\System.Configuration.csproj (System.Configuration)
//------------------------------------------------------------------------------
// <copyright file="TypeNameConverter.cs" company="Microsoft">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
 
using System;
using System.Collections;
using System.IO;
using System.Reflection;
using System.Security.Permissions;
using System.Xml;
using System.Collections.Specialized;
using System.Globalization;
using System.ComponentModel;
using System.Security;
using System.Text;
 
namespace System.Configuration {
 
    public sealed class TypeNameConverter : ConfigurationConverterBase {
 
        public override object ConvertTo(ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type) {
            // Make the check here since for some reason value.GetType is not System.Type but RuntimeType
            if (!(value is Type)) {
                ValidateType(value, typeof(Type));
            }
 
            string result = null;
 
            if (value != null) {
                result = ((Type)value).AssemblyQualifiedName;
            }
 
            return result;
        }
 
        public override object ConvertFrom(ITypeDescriptorContext ctx, CultureInfo ci, object data) {
 
            Type result = TypeUtil.GetTypeWithReflectionPermission((string)data, false);
 
            if (result == null) {
                throw new ArgumentException(SR.GetString(SR.Type_cannot_be_resolved, (string)data));
            }
 
            return result;
        }
    }
}