/// <summary>
/// Adds a set of items to a subscription.
/// </summary>
private void DoAddItems()
{
try
{
// assign globally unique client handle.
TsCDaItem[] items = ItemsCTRL.GetItems();
foreach (TsCDaItem item in items)
{
item.ClientHandle = Guid.NewGuid().ToString();
}
// add items to subscription.
m_items = m_subscription.AddItems(items);
// move to add items panel.
BackBTN.Enabled = true;
NextBTN.Enabled = false;
CancelBTN.Visible = false;
DoneBTN.Visible = true;
OptionsBTN.Visible = false;
SubscriptionCTRL.Visible = true;
BrowseCTRL.Visible = false;
ItemsCTRL.Visible = false;
ResultsCTRL.Visible = true;
// update controls with actual values.
SubscriptionCTRL.Set(m_subscription.State);
ResultsCTRL.Initialize(m_server, null, m_items);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
/// <summary>
/// Executes a read request for the current set if items.
/// </summary>
public void DoRead()
{
try
{
// read from server.
TsCDaItem[] items = ItemsCTRL.GetItems();
TsCDaItemValueResult[] results = null;
if (m_subscription != null)
{
if (m_synchronous)
{
results = m_subscription.Read(items);
}
else
{
results = new AsyncRequestDlg().ShowDialog(m_subscription, items);
if (results == null)
{
return;
}
}
}
else
{
// add dummy client handles to test that they get returned properly.
foreach (TsCDaItem item in items)
{
item.ClientHandle = item.ItemName;
}
results = m_server.Read(items);
}
// save results.
m_values = results;
BackBTN.Enabled = true;
NextBTN.Enabled = false;
CancelBTN.Visible = false;
DoneBTN.Visible = true;
OptionsBTN.Visible = false;
ItemsCTRL.Visible = false;
ResultsCTRL.Visible = true;
// display results.
ResultsCTRL.Initialize(m_server, (m_subscription != null)?m_subscription.Locale:m_server.Locale, results);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}