Email.ClearRecipients() example

this.EM = new Email();
var ErrVal = this.EM.Create(this);
if (ErrVal >= 0) {
  ...
  ...
  this.EM.SendMessage();
  ...
  ...
  this.EM.ClearRecipients();
  this.EM.AddRecipient('jj@mycompany.com');
  ...
  this.EM.SendMessage();
  ...
}