IChannelReceiverHook.AddHookChannelUri(String) Method

Reference

Definition

Namespace:: System.Runtime.Remoting.Channels

Assembly:: mscorlib.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Adds a URI on which the channel hook will listen.

public:
 void AddHookChannelUri(System::String ^ channelUri);

public void AddHookChannelUri (string channelUri);

[System.Security.SecurityCritical]
public void AddHookChannelUri (string channelUri);

abstract member AddHookChannelUri : string -> unit

[<System.Security.SecurityCritical>]
abstract member AddHookChannelUri : string -> unit

Public Sub AddHookChannelUri (channelUri As String)

Parameters

channelUri: String

A URI on which the channel hook will listen.

Attributes: SecurityCriticalAttribute

Exceptions

SecurityException

The immediate caller does not have infrastructure permission.

Examples

ref class CustomChannel: public BaseChannelWithProperties, public IChannelReceiverHook, public IChannelReceiver, public IChannel, public IChannelSender
{
public:
   virtual void AddHookChannelUri( String^ channelUri )
   {
      if ( channelUri != nullptr )
      {
         array<String^>^uris = dataStore->ChannelUris;

         // This implementation only allows one URI to be hooked in.
         if ( uris == nullptr )
         {
            array<String^>^newUris = gcnew array<String^>(1);
            newUris[ 0 ] = channelUri;
            dataStore->ChannelUris = newUris;
            wantsToListen = false;
         }
         else
         {
            String^ msg = "This channel is already listening for data, and can't be hooked into at this stage.";
            throw gcnew System::Runtime::Remoting::RemotingException( msg );
         }
      }
   }

   // The rest of CustomChannel's implementation.

class CustomChannel : BaseChannelWithProperties, IChannelReceiverHook,
                      IChannelReceiver, IChannel, IChannelSender {

   public void AddHookChannelUri(string channelUri) {

      if (channelUri != null) {
         string [] uris = dataStore.ChannelUris;
             
         // This implementation only allows one URI to be hooked in.
         if (uris == null) {
            string [] newUris = new string[1];
            newUris[0] = channelUri;
            dataStore.ChannelUris = newUris;
            wantsToListen = false;
         } else {
            string msg = "This channel is already listening for " +
               "data, and can't be hooked into at this stage.";
            throw new System.Runtime.Remoting.RemotingException(msg);
         }
      }
   }
   // The rest of CustomChannel's implementation.

Class CustomChannel
   Inherits BaseChannelWithProperties
   Implements IChannelReceiverHook, IChannelReceiver, IChannel, IChannelSender

   Public Sub AddHookChannelUri(ByVal channelUri As String) _
                        Implements IChannelReceiverHook.AddHookChannelUri

      If Not (channelUri Is Nothing) Then
         Dim uris As String() = dataStore.ChannelUris

         ' This implementation only allows one URI to be hooked in.
         If uris Is Nothing Then
            Dim newUris(1) As String
            newUris(0) = channelUri
            dataStore.ChannelUris = newUris
            wantsListen = False
         Else
            Dim msg As String
            msg = "This channel is already listening for data, and " + _
                  "can't be hooked into at this stage."
            Throw New System.Runtime.Remoting.RemotingException(msg)
         End If
      End If
   End Sub

   ' The rest of CustomChannel's implementation.

Remarks

Client code should not call this method directly.

Applies to

Jaa