File: System\Windows\Markup\Baml2006\Baml6Assembly.cs
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Project: src\src\Microsoft.DotNet.Wpf\src\PresentationFramework\PresentationFramework.csproj (PresentationFramework)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System;
using System.Collections.Generic;
using System.Reflection;
using MS.Internal.WindowsBase;
 
namespace System.Windows.Baml2006
{
    class Baml6Assembly
    {
        // Information needed to resolve a BamlAssembly to a CLR Assembly
        public readonly string Name;
        private Assembly _assembly;
 
        /// <summary>
        /// </summary>
        /// <param name="name">A fully qualified assembly name</param>
        public Baml6Assembly(string name)
        {
            ArgumentNullException.ThrowIfNull(name);
 
            Name = name;
            _assembly = null;
        }
 
        public Baml6Assembly(Assembly assembly)
        {
            ArgumentNullException.ThrowIfNull(assembly);
 
            Name = null;
            _assembly = assembly;
        }
 
        public Assembly Assembly
        {
            get
            {
                if (_assembly != null)
                {
                    return _assembly;
                }
 
                AssemblyName assemblyName = new AssemblyName(Name);
                _assembly = SafeSecurityHelper.GetLoadedAssembly(assemblyName);
                if (_assembly == null)
                {
                    byte[] publicKeyToken = assemblyName.GetPublicKeyToken();
                    if (assemblyName.Version != null || assemblyName.CultureInfo != null || publicKeyToken != null)
                    {
                        try
                        {
                            _assembly = Assembly.Load(assemblyName.FullName);
                        }
                        catch
                        {
                            AssemblyName shortName = new AssemblyName(assemblyName.Name);
                            if (publicKeyToken != null)
                            {
                                shortName.SetPublicKeyToken(publicKeyToken);
                            }
                            _assembly = Assembly.Load(shortName);
                        }
                    }
                    else
                    {
                        _assembly = Assembly.LoadWithPartialName(assemblyName.Name);
                    }
                }
                return _assembly;
            }
        }
    }
}