/// <summary>
/// Closes the conversation.
/// </summary>
///
/// <remarks>
/// If the conversation has not terminated at the time this method is called
/// then the conversation is aborted.
/// </remarks>
///
/// <exception cref="TPException">
/// See the Tuxedo tpdiscon(3c) manual page.
/// </exception>
///
/// <seealso cref="ATMI.tpdiscon"/>
public void Close()
{
if (cd != -1)
{
ATMI.tpdiscon(cd);
cd = -1;
}
}