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Definiert eine Konstante, die alle Anschlüsse darstellt.
Namespace: System.Net
Assembly: System (in system.dll)
Syntax
'Declaration
Public Const AllPorts As Integer
'Usage
Dim value As Integer
value = SocketPermission.AllPorts
public const int AllPorts
public:
literal int AllPorts
public static final int AllPorts
public const var AllPorts : int
Hinweise
Dieses Feld ist schreibgeschützt. Der Wert dieses Felds ist -1.
Beispiel
Im folgenden Beispiel wird die AllPorts-Eigenschaft zum Bereitstellen von Verbindungsberechtigungen für sämtliche Ressourcenanschlüsse verwendet.
Dim socketPermission1 As New SocketPermission(PermissionState.Unrestricted)
'Create a 'SocketPermission' object for two ip addresses.
Dim socketPermission2 As New SocketPermission(PermissionState.None)
Dim securityElement1 As SecurityElement = socketPermission2.ToXml()
''SocketPermission' object for 'Connect' permission
Dim securityElement2 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 securityElement3 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 securityElement4 As New SecurityElement("URI", "192.168.144.240#-1#3")
securityElement2.AddChild(securityElement3)
securityElement2.AddChild(securityElement4)
securityElement1.AddChild(securityElement2)
'Obtain a 'SocketPermission' object using 'FromXml' method.
socketPermission2.FromXml(securityElement1)
Console.WriteLine(ControlChars.Cr + "Displays the result of FromXml method : " + ControlChars.Cr)
Console.WriteLine(socketPermission2.ToString())
'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("Displays the result of AddPermission method : " + ControlChars.Cr)
Console.WriteLine(socketPermission3.ToString())
'Find the intersection between two 'SocketPermission' objects.
socketPermission1 = CType(socketPermission2.Intersect(socketPermission3), SocketPermission)
Console.WriteLine("Displays the result of Intersect method :" + ControlChars.Cr + " ")
Console.WriteLine(socketPermission1.ToString())
'Demand that the calling method have the requsite 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 securityElement1 = socketPermission2.ToXml();
// 'SocketPermission' object for 'Connect' permission
SecurityElement securityElement2 = 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.
SecurityElement securityElement3 = 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.
SecurityElement securityElement4 = new SecurityElement("URI", "192.168.144.240#-1#3");
securityElement2.AddChild(securityElement3);
securityElement2.AddChild(securityElement4);
securityElement1.AddChild(securityElement2);
// Obtain a 'SocketPermission' object using 'FromXml' method.
socketPermission2.FromXml(securityElement1);
Console.WriteLine("\nDisplays the result of FromXml method : \n");
Console.WriteLine(socketPermission2.ToString());
// 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,
"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("Displays the result of AddPermission method : \n");
Console.WriteLine(socketPermission3.ToString());
// Find the intersection between two 'SocketPermission' objects.
socketPermission1 = (SocketPermission)socketPermission2.Intersect(socketPermission3);
Console.WriteLine("Displays the result of Intersect method :\n ");
Console.WriteLine(socketPermission1.ToString());
// Demand that the calling method have the requsite socket permission.
socketPermission1.Demand();
SocketPermission^ socketPermission1 = gcnew SocketPermission( PermissionState::Unrestricted );
// Create a 'SocketPermission' Object* for two ip addresses.
SocketPermission^ socketPermission2 = gcnew SocketPermission( PermissionState::None );
SecurityElement^ securityElement1 = socketPermission2->ToXml();
// 'SocketPermission' Object* for 'Connect' permission
SecurityElement^ securityElement2 = gcnew 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.
SecurityElement^ securityElement3 = gcnew 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.
SecurityElement^ securityElement4 = gcnew SecurityElement( "URI","192.168.144.240#-1#3" );
securityElement2->AddChild( securityElement3 );
securityElement2->AddChild( securityElement4 );
securityElement1->AddChild( securityElement2 );
// Obtain a 'SocketPermission' Object* using 'FromXml' method.
socketPermission2->FromXml( securityElement1 );
Console::WriteLine( "\nDisplays the result of FromXml method : \n" );
Console::WriteLine( socketPermission2 );
// 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 =
gcnew 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( "Displays the result of AddPermission method : \n" );
Console::WriteLine( socketPermission3 );
// Find the intersection between two 'SocketPermission' objects.
socketPermission1 = dynamic_cast<SocketPermission^>(socketPermission2->Intersect( socketPermission3 ));
Console::WriteLine( "Displays the result of Intersect method :\n " );
Console::WriteLine( socketPermission1 );
// Demand that the calling method have the requsite 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 securityElement1 = socketPermission2.ToXml();
// 'SocketPermission' object for 'Connect' permission
SecurityElement securityElement2 = 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.
SecurityElement securityElement3 =
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.
SecurityElement securityElement4 =
new SecurityElement("URI", "192.168.144.240#-1#3");
securityElement2.AddChild(securityElement3);
securityElement2.AddChild(securityElement4);
securityElement1.AddChild(securityElement2);
// Obtain a 'SocketPermission' object using 'FromXml' method.
socketPermission2.FromXml(securityElement1);
Console.WriteLine("\nDisplays the result of FromXml method : \n");
Console.WriteLine(socketPermission2.ToString());
// 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,
"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("Displays the result of AddPermission method : \n");
Console.WriteLine(socketPermission3.ToString());
// Find the intersection between two 'SocketPermission' objects.
socketPermission1 = (SocketPermission)
socketPermission2.Intersect(socketPermission3);
Console.WriteLine("Displays the result of Intersect method :\n ");
Console.WriteLine(socketPermission1.ToString());
// Demand that the calling method have the requsite socket permission.
socketPermission1.Demand();
Plattformen
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0
Siehe auch
Referenz
SocketPermission-Klasse
SocketPermission-Member
System.Net-Namespace