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AppDomain.CreateDomain Method (String, Evidence, AppDomainSetup, PermissionSet, StrongName[])

Creates a new application domain using the specified name, evidence, application domain setup information, default permission set, and array of fully trusted assemblies.

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

public static AppDomain CreateDomain(
	string friendlyName,
	Evidence securityInfo,
	AppDomainSetup info,
	PermissionSet grantSet,
	params StrongName[] fullTrustAssemblies


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 the description of 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.
Type: System.AppDomainSetup
An object that contains application domain initialization information.
Type: System.Security.PermissionSet
A default permission set that is granted to all assemblies loaded into the new application domain that do not have specific grants.
Type: System.Security.Policy.StrongName[]
An array of strong names representing assemblies to be considered fully trusted in the new application domain.

Return Value

Type: System.AppDomain
The newly created application domain.


friendlyName is null.


The application domain is null.


The ApplicationBase property is not set on the AppDomainSetup object that is supplied for info.

You must set the ApplicationBase property of the AppDomainSetup object that you supply for info. Otherwise, an exception is thrown.

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

The information provided for grantSet and fullTrustAssemblies is used to create an ApplicationTrust object for the new application domain.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.