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SocketPermission.IsUnrestricted Method

Checks the overall permission state of the object.

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

'Declaration
Public Function IsUnrestricted As Boolean
'Usage
Dim instance As SocketPermission 
Dim returnValue As Boolean 

returnValue = instance.IsUnrestricted()

Return Value

Type: System.Boolean
true if the SocketPermission instance is created with the Unrestricted value from PermissionState; otherwise, false.

Implements

IUnrestrictedPermission.IsUnrestricted

The following example checks the IsUnrestricted property to determine if the specified SocketPermission has any restrictions.

Dim socketPermission1 As New SocketPermission(PermissionState.Unrestricted)
	
        'Create a 'SocketPermission' object for two ip addresses. 
        Dim socketPermission2 As New SocketPermission(PermissionState.None)
        Dim securityElement4 As SecurityElement = socketPermission2.ToXml()
        ''SocketPermission' object for 'Connect' permission 
        Dim securityElement1 As New SecurityElement("ConnectAccess")
        'Format to specify ip address are <ip-address>#<port>#<transport-type> 
        'First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address. 
        Dim securityElement2 As New SecurityElement("URI", "192.168.144.238#-1#3")
        'Second 'SocketPermission' ip-address is '192.168.144.240' for 'All' transport types and for 'All' ports for the ip-address. 
        Dim securityElement3 As New SecurityElement("URI", "192.168.144.240#-1#3")
        securityElement1.AddChild(securityElement2)
        securityElement1.AddChild(securityElement3)
        securityElement4.AddChild(securityElement1)

        'Obtain a 'SocketPermission' object using 'FromXml' method.	
        socketPermission2.FromXml(securityElement4)

        'Create another 'SocketPermission' object with two ip addresses. 
        'First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address. 
        Dim socketPermission3 As New SocketPermission(NetworkAccess.Connect, TransportType.All, "192.168.144.238", SocketPermission.AllPorts)

        'Second 'SocketPermission' ip-address is '192.168.144.239' for 'All' transport types and for 'All' ports for the ip-address.
        socketPermission3.AddPermission(NetworkAccess.Connect, TransportType.All, "192.168.144.239", SocketPermission.AllPorts)

        Console.WriteLine(ControlChars.Cr + "Checks the Socket permissions using IsUnrestricted method : ")
        If socketPermission1.IsUnrestricted() Then
            Console.WriteLine("Socket permission is unrestricted")
        Else
            Console.WriteLine("Socket permission is restricted")
        End If 
        Console.WriteLine()

        Console.WriteLine("Display result of ConnectList property : " + ControlChars.Cr)
        Dim enumerator As IEnumerator = socketPermission3.ConnectList
        While enumerator.MoveNext()
            Console.WriteLine("The hostname is       : {0}", CType(enumerator.Current, EndpointPermission).Hostname)
            Console.WriteLine("The port is           : {0}", CType(enumerator.Current, EndpointPermission).Port)
            Console.WriteLine("The Transport type is : {0}", CType(enumerator.Current, EndpointPermission).Transport)
        End While

        Console.WriteLine("")

        Console.WriteLine("Display Security Elements :" + ControlChars.Cr + " ")
        PrintSecurityElement(socketPermission2.ToXml(), 0)

        'Get a 'SocketPermission' object which is a union of two other 'SocketPermission' objects.
        socketPermission1 = CType(socketPermission3.Union(socketPermission2), SocketPermission)

        'Demand that the calling method have the socket permission.
        socketPermission1.Demand()
SocketPermission* socketPermission1 = new SocketPermission(PermissionState::Unrestricted);

// Create a 'SocketPermission' Object* for two ip addresses.
SocketPermission* socketPermission2 = new SocketPermission(PermissionState::None);
SecurityElement*  securityElement4 = socketPermission2->ToXml();
// 'SocketPermission' Object* for 'Connect' permission
SecurityElement* securityElement1 = new SecurityElement(S"ConnectAccess");
// Format to specify ip address are <ip-address>#<port>#<transport-type>
// First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address.
SecurityElement* securityElement2 = new SecurityElement(S"URI", S"192.168.144.238#-1#3");
// Second 'SocketPermission' ip-address is '192.168.144.240' for 'All' transport types and for 'All' ports for the ip-address.
SecurityElement* securityElement3 = new SecurityElement(S"URI", S"192.168.144.240#-1#3");
securityElement1->AddChild(securityElement2);
securityElement1->AddChild(securityElement3);
securityElement4->AddChild(securityElement1);

// Obtain a 'SocketPermission' Object* using 'FromXml' method.
socketPermission2->FromXml(securityElement4);

// Create another 'SocketPermission' Object* with two ip addresses.
// First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address.
SocketPermission* socketPermission3 = new SocketPermission(NetworkAccess::Connect,
   TransportType::All,
   S"192.168.144.238",
   SocketPermission::AllPorts);

// Second 'SocketPermission' ip-address is '192.168.144.239' for 'All' transport types and for 'All' ports for the ip-address.
socketPermission3->AddPermission(NetworkAccess::Connect,
   TransportType::All,
   S"192.168.144.239",
   SocketPermission::AllPorts);

Console::WriteLine(S"\nChecks the Socket permissions using IsUnrestricted method : ");
if (socketPermission1->IsUnrestricted())
   Console::WriteLine(S"Socket permission is unrestricted");
else
   Console::WriteLine(S"Socket permission is restricted");

Console::WriteLine();

Console::WriteLine(S"Display result of ConnectList property : \n");
IEnumerator* enumerator = socketPermission3->ConnectList;
while(enumerator->MoveNext())
{
   Console::WriteLine(S"The hostname is       : {0}", dynamic_cast<EndpointPermission*>(enumerator->Current)->Hostname);
   Console::WriteLine(S"The port is           : {0}",__box( dynamic_cast<EndpointPermission*>(enumerator->Current)->Port));
   Console::WriteLine(S"The Transport type is : {0}",__box( dynamic_cast<EndpointPermission*>(enumerator->Current)->Transport));
}
Console::WriteLine(S"");

Console::WriteLine(S"Display Security Elements :\n ");
PrintSecurityElement(socketPermission2->ToXml(), 0);

// Get a 'SocketPermission' Object* which is a union of two other 'SocketPermission' objects.
socketPermission1 = dynamic_cast<SocketPermission*>(socketPermission3->Union(socketPermission2));

// Demand that the calling method have the socket permission.
socketPermission1->Demand();

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

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