AddInEnvironment.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / AddIn / AddIn / System / Addin / Hosting / AddInEnvironment.cs / 1305376 / AddInEnvironment.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  AddInEnvironment 
**
** Purpose: Abstraction representing an AppDomain, Process and Machine 
**
===========================================================*/
using System;
using System.AddIn.Contract; 
using System.Runtime.Remoting;
using System.Security; 
using System.Security.Permissions; 
using System.Diagnostics.Contracts;
 
namespace System.AddIn.Hosting
{

    public sealed class AddInEnvironment 
    {
        private AddInProcess _process; 
 
        // for in process we have an appdomain.
        private AppDomain _appDomain; 
        // for out-of-process we have this.
        private AddInServerWorker _addInServerWorker;

        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming","CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId="appDomain")] 
        public AddInEnvironment(AppDomain appDomain)
        { 
            if (appDomain == null) 
                throw new ArgumentNullException("appDomain");
            System.Diagnostics.Contracts.Contract.EndContractBlock(); 

            if (appDomain != AppDomain.CurrentDomain && !Utils.HasFullTrust()) {
                throw new SecurityException(Res.PartialTrustCannotActivate);
            } 

            _appDomain = appDomain; 
            _process = AddInProcess.Current; 
        }
 
        // This version is used when we have just created a new appdomain for this addin.
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming","CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId="appDomain")]
        internal AddInEnvironment(AppDomain appDomain, bool skipDomainCheck)
        { 
            if (appDomain == null)
                throw new ArgumentNullException("appDomain"); 
            System.Diagnostics.Contracts.Contract.EndContractBlock(); 

            _appDomain = appDomain; 
            _process = AddInProcess.Current;
        }

        internal AddInEnvironment(AddInProcess process, AddInServerWorker worker) 
        {
            _addInServerWorker = worker; 
            _process = process; 
        }
 
        public AddInProcess Process
        {
            get { return _process; }
        } 

        internal AppDomain AppDomain 
        { 
            get { return _appDomain; }
        } 

        internal AddInServerWorker AddInServerWorker
        {
            get { return _addInServerWorker; } 
        }
 
        //  
        // 
        //  
        // 
        [System.Security.SecuritySafeCritical]
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2129:SecurityTransparentCodeShouldNotReferenceNonpublicSecurityCriticalCode", Justification = "This is a SecurityRules.Level1 assembly, in which this rule is being incorrectly applied")]
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2128:SecurityTransparentCodeShouldNotAssert", Justification = "This is a SecurityRules.Level1 assembly, in which this rule is being incorrectly applied")] 
        internal void UnloadAppDomain()
        { 
            if (Process.IsCurrentProcess) 
            {
                SecurityPermission permission = new SecurityPermission(SecurityPermissionFlag.ControlAppDomain); 
                permission.Assert();

                AppDomain.Unload(AppDomain);
                CodeAccessPermission.RevertAssert(); 
            }
            else 
            { 
                try
                { 
                    _addInServerWorker.UnloadAppDomain();
                }
                catch (AppDomainUnloadedException) { }
                catch (RemotingException) { } 
            }
        } 
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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