IPInterfaceProperties.DhcpServerAddresses Vlastnost

Definice

Obor názvů:

System.Net.NetworkInformation

Sestavení:

System.Net.NetworkInformation.dll

Získá adresy serverů DHCP (Dynamic Host Configuration Protocol) pro toto rozhraní.

public:
 abstract property System::Net::NetworkInformation::IPAddressCollection ^ DhcpServerAddresses { System::Net::NetworkInformation::IPAddressCollection ^ get(); };

[System.Runtime.Versioning.UnsupportedOSPlatform("android")]
[System.Runtime.Versioning.UnsupportedOSPlatform("freebsd")]
[System.Runtime.Versioning.UnsupportedOSPlatform("ios")]
[System.Runtime.Versioning.UnsupportedOSPlatform("osx")]
[System.Runtime.Versioning.UnsupportedOSPlatform("tvos")]
public abstract System.Net.NetworkInformation.IPAddressCollection DhcpServerAddresses { get; }

[<System.Runtime.Versioning.UnsupportedOSPlatform("android")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("freebsd")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("ios")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("osx")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("tvos")>]
member this.DhcpServerAddresses : System.Net.NetworkInformation.IPAddressCollection

Public MustOverride ReadOnly Property DhcpServerAddresses As IPAddressCollection

Hodnota vlastnosti

IPAddressCollection

Obsahující IPAddressCollection informace o adrese pro servery DHCP nebo prázdné pole, pokud nejsou nalezeny žádné servery.

Atributy

UnsupportedOSPlatformAttribute

Příklady

Následující příklad kódu zobrazí informace o adrese DHCP pro síťová rozhraní v místním počítači.

void DisplayDhcpServerAddresses()
{
   Console::WriteLine( "DHCP Servers" );
   array<NetworkInterface^>^adapters = NetworkInterface::GetAllNetworkInterfaces();
   System::Collections::IEnumerator^ myEnum19 = adapters->GetEnumerator();
   while ( myEnum19->MoveNext() )
   {
      NetworkInterface ^ adapter = safe_cast<NetworkInterface ^>(myEnum19->Current);
      IPInterfaceProperties ^ adapterProperties = adapter->GetIPProperties();
      IPAddressCollection ^ addresses = adapterProperties->DhcpServerAddresses;
      if ( addresses->Count > 0 )
      {
         Console::WriteLine( adapter->Description );
         System::Collections::IEnumerator^ myEnum20 = addresses->GetEnumerator();
         while ( myEnum20->MoveNext() )
         {
            IPAddress^ address = safe_cast<IPAddress^>(myEnum20->Current);
            Console::WriteLine( "  Dhcp Address ............................ : {0}", 
               address );
         }
         Console::WriteLine();
      }
   }
}

public static void DisplayDhcpServerAddresses()
{
    Console.WriteLine("DHCP Servers");
    NetworkInterface[] adapters  = NetworkInterface.GetAllNetworkInterfaces();
    foreach (NetworkInterface adapter in adapters)
    {

        IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
        IPAddressCollection addresses = adapterProperties.DhcpServerAddresses;
        if (addresses.Count >0)
        {
            Console.WriteLine(adapter.Description);
            foreach (IPAddress address in addresses)
            {
                Console.WriteLine("  Dhcp Address ............................ : {0}",
                    address.ToString());
            }
            Console.WriteLine();
        }
    }
}

Public Shared Sub DisplayDhcpServerAddresses() 
    Console.WriteLine("DHCP Servers")
    Dim adapters As NetworkInterface() = NetworkInterface.GetAllNetworkInterfaces()
    Dim adapter As NetworkInterface
    For Each adapter In  adapters
        
        Dim adapterProperties As IPInterfaceProperties = adapter.GetIPProperties()
        Dim addresses As IPAddressCollection = adapterProperties.DhcpServerAddresses
        If addresses.Count > 0 Then
            Console.WriteLine(adapter.Description)
            Dim address As IPAddress
            For Each address In  addresses
                Console.WriteLine("  Dhcp Address ............................ : {0}", address.ToString())
            Next address
            Console.WriteLine()
        End If
    Next adapter

End Sub

Poznámky

Protokol DHCP (Dynamic Host Configuration Protocol) umožňuje počítači získat síťovou adresu ze serveru DHCP, nikoli použít statickou (pevnou) síťovou adresu. Server DHCP nepřiřazuje adresy trvale; místo toho dočasně používá jednu z několika dostupných adres pro počítač.