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AppDomain.CreateDomain Method (String, Evidence)


Creates a new application domain with the given name using the supplied evidence.

Namespace:   System
Assembly:  mscorlib (in mscorlib.dll)

public static AppDomain CreateDomain(
	string friendlyName,
	Evidence securityInfo


Type: System.String

The friendly name of the domain. This friendly name can be displayed in user interfaces to identify the domain. For more information, see FriendlyName.

Type: System.Security.Policy.Evidence

Evidence that establishes the identity of the code that runs in the application domain. Pass null to use the evidence of the current application domain.

Return Value

Type: System.AppDomain

The newly created application domain.

Exception Condition

friendlyName is null.

This method overload uses the AppDomainSetup information from the default application domain.

If securityInfo is not supplied, the evidence from the current application domain is used.


Do not use this method overload to create sandboxed application domains. Beginning with the .NET Framework 4, the evidence that is supplied for securityInfo no longer affects the grant set of the application domain. Use the CreateDomain(String, Evidence, AppDomainSetup, PermissionSet, StrongName[]) method overload to create sandboxed application domains.

The following sample demonstrates, in general, how to create a domain using one of the CreateDomain overloads.

// Set up the AppDomainSetup
AppDomainSetup setup = new AppDomainSetup();
setup.ApplicationBase = "(some directory)";
setup.ConfigurationFile = "(some file)";

// Set up the Evidence
Evidence baseEvidence = AppDomain.CurrentDomain.Evidence;
Evidence evidence = new Evidence(baseEvidence);
evidence.AddAssembly("(some assembly)");
evidence.AddHost("(some host)");

// Create the AppDomain      
AppDomain newDomain = AppDomain.CreateDomain("newDomain", evidence, setup);


for the ability to create and manipulate an application domain. Associated enumeration: SecurityPermissionFlag.ControlAppDomain. Security action: Demand.


to provide evidence. Associated enumeration: SecurityPermissionFlag.ControlEvidence.

.NET Framework
Available since 1.1
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