AppDomain.SetShadowCopyFiles Method

Definition

Namespace:

System

Assembly:

System.Runtime.dll

Source:

AppDomain.cs

Caution

AppDomain.SetShadowCopyFiles has been deprecated and is not supported.

Turns on shadow copying.

public:
 void SetShadowCopyFiles();

[System.Obsolete("AppDomain.SetShadowCopyFiles has been deprecated and is not supported.")]
public void SetShadowCopyFiles ();

[<System.Obsolete("AppDomain.SetShadowCopyFiles has been deprecated and is not supported.")>]
member this.SetShadowCopyFiles : unit -> unit

Public Sub SetShadowCopyFiles ()

Attributes

ObsoleteAttribute

Exceptions

AppDomainUnloadedException

The operation is attempted on an unloaded application domain.

Examples

This method is now obsolete, and should not be used for new development.

using namespace System;
using namespace System::Security::Policy;

//for evidence object
int main()
{
   AppDomainSetup^ setup = gcnew AppDomainSetup;
   
   // Shadow copying will not work unless the application has a name.
   setup->ApplicationName = "MyApplication";
   
   //Create evidence for the new application domain from evidence of
   // current application domain.
   Evidence^ adevidence = AppDomain::CurrentDomain->Evidence;
   
   // Create a new application domain.
   AppDomain^ domain = AppDomain::CreateDomain( "MyDomain", adevidence, setup );
   
   // MyAssembly.dll is located in the Assemblies subdirectory.
   domain->AppendPrivatePath( "Assemblies" );
   
   // MyOtherAssembly.dll and MyThirdAssembly.dll are located in the
   // MoreAssemblies subdirectory.
   domain->AppendPrivatePath( "MoreAssemblies" );
   
   // Display the relative search path.
   Console::WriteLine( "RelativeSearchPath: {0}", domain->RelativeSearchPath );
   
   // Because Load returns an Assembly object, the assemblies must be
   // loaded into the current domain as well. This will fail unless the
   // current domain also has these directories in its search path.
   AppDomain::CurrentDomain->AppendPrivatePath( "Assemblies" );
   AppDomain::CurrentDomain->AppendPrivatePath( "MoreAssemblies" );
   
   // Save shadow copies to C:\Cache
   domain->SetCachePath( "C:\\Cache" );
   
   // Shadow copy only the assemblies in the Assemblies directory.
   domain->SetShadowCopyPath( String::Concat( domain->BaseDirectory, "Assemblies" ) );
   
   // Turn shadow copying on.
   domain->SetShadowCopyFiles();
   Console::WriteLine( "ShadowCopyFiles turned on: {0}", domain->ShadowCopyFiles );
   
   // This will be copied.
   // You must supply a valid fully qualified assembly name here. 
   domain->Load( "Assembly1 text name, Version, Culture, PublicKeyToken" );
   
   // This will not be copied.
   // You must supply a valid fully qualified assembly name here. 
   domain->Load( "Assembly2 text name, Version, Culture, PublicKeyToken" );
   
   // When the shadow copy path is cleared, the CLR will make shadow copies
   // of all private assemblies.
   domain->ClearShadowCopyPath();
   
   // MoreAssemblies\MyThirdAssembly.dll should be shadow copied this time.
   // You must supply a valid fully qualified assembly name here.
   domain->Load( "Assembly3 text name, Version, Culture, PublicKeyToken" );
   
   // Unload the domain.
   AppDomain::Unload( domain );
}

using System;
using System.Security.Policy;
namespace AppDomainSnippets
{
    class ADProperties
    {
        static void Main(string[] args)
        {

            AppDomainSetup setup = new AppDomainSetup();
            // Shadow copying will not work unless the application has a name.
            setup.ApplicationName = "MyApplication";

            //Create evidence for the new application domain from evidence of
            // current application domain.
            Evidence adevidence = AppDomain.CurrentDomain.Evidence;
            
            // Create a new application domain.
            AppDomain domain = AppDomain.CreateDomain("MyDomain", adevidence, setup);
            
            // MyAssembly.dll is located in the Assemblies subdirectory.
            domain.AppendPrivatePath("Assemblies");
            // MyOtherAssembly.dll and MyThirdAssembly.dll are located in the
            // MoreAssemblies subdirectory.
            domain.AppendPrivatePath("MoreAssemblies");
            // Display the relative search path.
            Console.WriteLine("RelativeSearchPath: " + domain.RelativeSearchPath);
            // Because Load returns an Assembly object, the assemblies must be
            // loaded into the current domain as well. This will fail unless the
            // current domain also has these directories in its search path.
            AppDomain.CurrentDomain.AppendPrivatePath("Assemblies");
            AppDomain.CurrentDomain.AppendPrivatePath("MoreAssemblies");
            
            // Save shadow copies to C:\Cache
            domain.SetCachePath("C:\\Cache");
            // Shadow copy only the assemblies in the Assemblies directory.
            domain.SetShadowCopyPath(domain.BaseDirectory + "Assemblies");
            // Turn shadow copying on.
            domain.SetShadowCopyFiles();
            Console.WriteLine("ShadowCopyFiles turned on: " + domain.ShadowCopyFiles);

            // This will be copied.
            // You must supply a valid fully qualified assembly name here.
            domain.Load("Assembly1 text name, Version, Culture, PublicKeyToken");
            // This will not be copied.
            // You must supply a valid fully qualified assembly name here.
            domain.Load("Assembly2 text name, Version, Culture, PublicKeyToken");
            
            // When the shadow copy path is cleared, the CLR will make shadow copies
            // of all private assemblies.
            domain.ClearShadowCopyPath();
            // MoreAssemblies\MyThirdAssembly.dll should be shadow copied this time.
            // You must supply a valid fully qualified assembly name here.
            domain.Load("Assembly3 text name, Version, Culture, PublicKeyToken");
            
            // Unload the domain.
            AppDomain.Unload(domain);
        }
    }
}

open System

let setup = AppDomainSetup()
// Shadow copying will not work unless the application has a name.
setup.ApplicationName = "MyApplication"

//Create evidence for the new application domain from evidence of
// current application domain.
let adevidence = AppDomain.CurrentDomain.Evidence

// Create a new application domain.
let domain = AppDomain.CreateDomain("MyDomain", adevidence, setup)

// MyAssembly.dll is located in the Assemblies subdirectory.
domain.AppendPrivatePath "Assemblies"
// MyOtherAssembly.dll and MyThirdAssembly.dll are located in the
// MoreAssemblies subdirectory.
domain.AppendPrivatePath "MoreAssemblies"
// Display the relative search path.
printfn $"RelativeSearchPath: {domain.RelativeSearchPath}"
// Because Load returns an Assembly object, the assemblies must be
// loaded into the current domain as well. This will fail unless the
// current domain also has these directories in its search path.
AppDomain.CurrentDomain.AppendPrivatePath "Assemblies"
AppDomain.CurrentDomain.AppendPrivatePath "MoreAssemblies"

// Save shadow copies to C:\Cache
domain.SetCachePath "C:\\Cache"
// Shadow copy only the assemblies in the Assemblies directory.
domain.SetShadowCopyPath(domain.BaseDirectory + "Assemblies")
// Turn shadow copying on.
domain.SetShadowCopyFiles()
printfn $"ShadowCopyFiles turned on: {domain.ShadowCopyFiles}"

// This will be copied.
// You must supply a valid fully qualified assembly name here.
domain.Load "Assembly1 text name, Version, Culture, PublicKeyToken" |> ignore
// This will not be copied.
// You must supply a valid fully qualified assembly name here.
domain.Load "Assembly2 text name, Version, Culture, PublicKeyToken" |> ignore

// When the shadow copy path is cleared, the CLR will make shadow copies
// of all private assemblies.
domain.ClearShadowCopyPath()
// MoreAssemblies\MyThirdAssembly.dll should be shadow copied this time.
// You must supply a valid fully qualified assembly name here.
domain.Load "Assembly3 text name, Version, Culture, PublicKeyToken" |> ignore

// Unload the domain.
AppDomain.Unload domain

Imports System.Security.Policy
 'for evidence object

Class ADProperties
    
    Shared Sub Main(args() As String)
        
        Dim setup As New AppDomainSetup()
        ' Shadow copying will not work unless the application has a name.
        setup.ApplicationName = "MyApplication"
        
        'Create evidence for the new application domain from evidence of
        ' current application domain.
        Dim adevidence As Evidence = AppDomain.CurrentDomain.Evidence
        
        ' Create a new application domain.
        Dim domain As AppDomain = AppDomain.CreateDomain("MyDomain", adevidence, setup)
        
        ' MyAssembly.dll is located in the Assemblies subdirectory.
        domain.AppendPrivatePath("Assemblies")
        ' MyOtherAssembly.dll and MyThirdAssembly.dll are located in the
        ' MoreAssemblies subdirectory.
        domain.AppendPrivatePath("MoreAssemblies")
        ' Display the relative search path.
        Console.WriteLine("RelativeSearchPath: " & domain.RelativeSearchPath)
        ' Because Load returns an Assembly object, the assemblies must be
        ' loaded into the current domain as well. This will fail unless the
        ' current domain also has these directories in its search path.
        AppDomain.CurrentDomain.AppendPrivatePath("Assemblies")
        AppDomain.CurrentDomain.AppendPrivatePath("MoreAssemblies")
        
        ' Save shadow copies to C:\Cache
        domain.SetCachePath("C:\Cache")
        ' Shadow copy only the assemblies in the Assemblies directory.
        domain.SetShadowCopyPath(domain.BaseDirectory + "Assemblies")
        ' Turn shadow copying on.
        domain.SetShadowCopyFiles()
        Console.WriteLine("ShadowCopyFiles turned on: " & domain.ShadowCopyFiles)
        
        ' This will be copied.
        ' You must supply a valid fully qualified assembly name here. 
        domain.Load("Assembly1 text name, Version, Culture, PublicKeyToken")
        ' This will not be copied.
        ' You must supply a valid fully qualified assembly name here. 
        domain.Load("Assembly2 text name, Version, Culture, PublicKeyToken")
        
        ' When the shadow copy path is cleared, the CLR will make shadow copies
        ' of all private assemblies.
        domain.ClearShadowCopyPath()
        ' MoreAssemblies\MyThirdAssembly.dll should be shadow copied this time.
        ' You must supply a valid fully qualified assembly name here.
        domain.Load("Assembly3 text name, Version, Culture, PublicKeyToken")
        
        ' Unload the domain.
        AppDomain.Unload(domain)
    End Sub
End Class

Remarks

For more information on shadow copying, see Shadow Copying Assemblies.

See also

• Shadow Copying Assemblies