SslStream.Flush Method
Definition
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.
Causes any buffered data to be written to the underlying device.
public:
override void Flush();
public override void Flush ();
override this.Flush : unit -> unit
Public Overrides Sub Flush ()
Examples
The following code example demonstrates calling this method.
// Create a TCP/IP client socket.
// machineName is the host running the server application.
TcpClient^ client = gcnew TcpClient(machineName, 5000);
Console::WriteLine("Client connected.");
// Create an SSL stream that will close
// the client's stream.
SslStream^ sslStream = gcnew SslStream(
client->GetStream(), false,
gcnew RemoteCertificateValidationCallback(ValidateServerCertificate),
nullptr);
// The server name must match the name
// on the server certificate.
try
{
sslStream->AuthenticateAsClient(serverName);
}
catch (AuthenticationException^ ex)
{
Console::WriteLine("Exception: {0}", ex->Message);
if (ex->InnerException != nullptr)
{
Console::WriteLine("Inner exception: {0}",
ex->InnerException->Message);
}
Console::WriteLine("Authentication failed - "
"closing the connection.");
sslStream->Close();
client->Close();
return;
}
// Encode a test message into a byte array.
// Signal the end of the message using the "<EOF>".
array<Byte>^ messsage = Encoding::UTF8->GetBytes(
"Hello from the client.<EOF>");
// Send hello message to the server.
sslStream->Write(messsage);
sslStream->Flush();
// Create a TCP/IP client socket.
// machineName is the host running the server application.
TcpClient client = new TcpClient(machineName,5000);
Console.WriteLine("Client connected.");
// Create an SSL stream that will close the client's stream.
SslStream sslStream = new SslStream(
client.GetStream(),
false,
new RemoteCertificateValidationCallback (ValidateServerCertificate),
null
);
// The server name must match the name on the server certificate.
try
{
sslStream.AuthenticateAsClient(serverName);
}
catch (AuthenticationException e)
{
Console.WriteLine("Exception: {0}", e.Message);
if (e.InnerException != null)
{
Console.WriteLine("Inner exception: {0}", e.InnerException.Message);
}
Console.WriteLine ("Authentication failed - closing the connection.");
client.Close();
return;
}
// Encode a test message into a byte array.
// Signal the end of the message using the "<EOF>".
byte[] messsage = Encoding.UTF8.GetBytes("Hello from the client.<EOF>");
// Send hello message to the server.
sslStream.Write(messsage);
sslStream.Flush();
' Create a TCP/IP client socket.
' machineName is the host running the server application.
Dim client = New TcpClient(machineName, 5000)
Console.WriteLine("Client connected.")
' Create an SSL stream that will close the client's stream.
Dim sslStream = New SslStream(
client.GetStream(), False,
New RemoteCertificateValidationCallback(AddressOf ValidateServerCertificate), Nothing)
' The server name must match the name on the server certificate.
Try
sslStream.AuthenticateAsClient(serverName)
Catch e As AuthenticationException
Console.WriteLine("Exception: {0}", e.Message)
If e.InnerException IsNot Nothing Then
Console.WriteLine("Inner exception: {0}", e.InnerException.Message)
End If
Console.WriteLine("Authentication failed - closing the connection.")
client.Close()
Return
End Try
' Encode a test message into a byte array.
' Signal the end of the message using the "<EOF>".
Dim messsage As Byte() = Encoding.UTF8.GetBytes("Hello from the client.<EOF>")
' Send hello message to the server.
sslStream.Write(messsage)
sslStream.Flush()
Remarks
This method invokes Flush on the underlying stream.
Applies to
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