Public Class CertificateReceivedEventArgs 
   Inherits System.EventArgs

Dim instance As CertificateReceivedEventArgs

public class CertificateReceivedEventArgs : System.EventArgs 

public __gc class CertificateReceivedEventArgs : public System.EventArgs 

public ref class CertificateReceivedEventArgs : public System.EventArgs 

Private Sub CertificateReceived(ByVal sender As Object, ByRef e As CertificateReceivedEventArgs) Handles Tcp1.CertificateReceived
   Dim msg As String = "The certificate was invalid for the following reason(s)" + vbCrLf

   ' Check to see if the certificate is from a trusted root.
   If Not e.TrustedRoot Then
      msg += "This certificate is not from a trusted root" + vbCrLf
   End If

   ' Check to see if the certificate has a valid date.
   If Not e.ValidDate Then
      msg += "This certificate does not have a valid date" + vbCrLf
   End If

   ' Check to see if the certificate has a valid name.
   If Not e.ValidName Then
      msg += "This certificate does not have a valid name" + vbCrLf
   End If

   If msg <> "" Then
      msg += "Would you like to accept this certificate anyway?"
      If MessageBox.Show(msg, "Invalid Cert Received", MessageBoxButtons.YesNo) = DialogResult.Yes Then
         e.Accept = True
      End If
   End If
End Sub

private void CertificateReceived(object sender, CertificateReceivedEventArgs e)
{
   string msg = "The certificate was invalid for the following reason(s)\n";

   // Check to see if the certificate is from a trusted root.
   if(!e.TrustedRoot)
      msg+= "This certificate is not from a trusted root\n";

   // Check to see if the certificate has a valid date.
   if(!e.ValidDate)
      msg+= "This certificate does not have a valid date\n";

   // Check to see if the certificate has a valid name.
   if(!e.ValidName)
      msg+= "This certificate does not have a valid name\n";

   if(!e.Accept)
   {
      msg += "Would you like to accept this certificate anyway?";
      if(MessageBox.Show(msg, "Invalid Cert Received", MessageBoxButtons.YesNo) == DialogResult.Yes)
         e.Accept = true;
   }
}