private void DownloadForm_FormClosed(object sender, FormClosedEventArgs e)
{
DownloadForms.RemoveForm(formKey);
connection.FTPReadyToListen -= ProcessOnFTPReadyToListen;
connection.FTPReceivingProgressed -= ProcessOnFTPReceivingProgressed;
connection.FTPReceivingFinished -= ProcessOnFTPReceivingFinished;
connection.FTPReceivingCanceled -= ProcessOnFTPReceivingCanceled;
connection.FTPReceivingFailed -= ProcessOnFTPReceivingFailed;
}
