///---------------------------------------------------------------------------------------------------------------------
/// btnCancel_Click
/// -------------------
/// Requests the server to cancel an outstanding asynchronous transaction
///---------------------------------------------------------------------------------------------------------------------
private void btnCancel_Click(object sender, System.EventArgs e)
{
try
{
m_pOpcGroup.Cancel(m_ITRequest, new TsCDaCancelCompleteEventHandler(CancelCompleteHandler));
}
catch (Exception ex)
{
MessageBox.Show("There is no outstanding asynchronous transaction which can be canceled.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
/// <summary>
/// Cancels the asynchronous request.
/// </summary>
private void CancelRequest()
{
try
{
if (mRequest_ != null)
{
mSubscription_.Cancel(mRequest_, new TsCDaCancelCompleteEventHandler(OnCancelComplete));
}
}
catch (Exception e)
{
mRequest_ = null;
okBtn_.Enabled = true;
cancelBtn_.Enabled = true;
goBtn_.Visible = true;
stopBtn_.Visible = false;
MessageBox.Show(e.Message);
}
}
/// <summary>
/// Cancels the asynchronous request.
/// </summary>
private void CancelRequest()
{
try
{
if (m_request != null)
{
m_subscription.Cancel(m_request, new TsCDaCancelCompleteEventHandler(OnCancelComplete));
}
}
catch (Exception e)
{
m_request = null;
OkBTN.Enabled = true;
CancelBTN.Enabled = true;
GoBTN.Visible = true;
StopBTN.Visible = false;
MessageBox.Show(e.Message);
}
}