Dns.GetHostName 方法

定義

取得本機電腦的主機名稱。Gets the host name of the local computer.

public:
 static System::String ^ GetHostName();
public static string GetHostName ();
static member GetHostName : unit -> string
Public Shared Function GetHostName () As String

傳回

String

字串,含有本機電腦的 DNS 主機名稱。A string that contains the DNS host name of the local computer.

例外狀況

當解析本機主機名稱時,發生錯誤。An error is encountered when resolving the local host name.

範例

下列範例會使用 GetHostName 方法來取得本機電腦的主機名稱。The following example uses the GetHostName method to obtain the host name of the local computer.

public:
   void DisplayLocalHostName()
   {
      try
      {
         // Get the local computer host name.
         String^ hostName = Dns::GetHostName();
         Console::WriteLine( "Computer name : {0}", hostName );
      }
      catch ( SocketException^ e ) 
      {
         Console::WriteLine( "SocketException caught!!!" );
         Console::WriteLine( "Source : {0}", e->Source );
         Console::WriteLine( "Message : {0}", e->Message );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Exception caught!!!" );
         Console::WriteLine( "Source : {0}", e->Source );
         Console::WriteLine( "Message : {0}", e->Message );
      }
   }
public void DisplayLocalHostName()
{
   try {
      // Get the local computer host name.
      String hostName = Dns.GetHostName();
      Console.WriteLine("Computer name :" + hostName);
   }
   catch(SocketException e) {
      Console.WriteLine("SocketException caught!!!");
      Console.WriteLine("Source : " + e.Source);
      Console.WriteLine("Message : " + e.Message);
   }
   catch(Exception e)
   {
       Console.WriteLine("Exception caught!!!");
       Console.WriteLine("Source : " + e.Source);
       Console.WriteLine("Message : " + e.Message);
   }
}
Public Sub DisplayLocalHostName()
    Try
        ' Get the local computer host name.
        Dim hostName As [String] = Dns.GetHostName()
        Console.WriteLine(("Computer name :" + hostName))
    Catch e As SocketException
        Console.WriteLine("SocketException caught!!!")
        Console.WriteLine(("Source : " + e.Source))
        Console.WriteLine(("Message : " + e.Message))
    Catch e As Exception
        Console.WriteLine("Exception caught!!!")
        Console.WriteLine(("Source : " + e.Source))
        Console.WriteLine(("Message : " + e.Message))
    End Try

適用於