/// <summary>
/// Removes a previously created subscription.
/// </summary>
private void UndoCreate()
{
try
{
m_server.CancelSubscription(m_subscription);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
finally
{
if (m_subscription != null)
{
m_subscription.Dispose();
}
m_subscription = null;
}
// move to edit subscription panel.
BackBTN.Enabled = false;
NextBTN.Enabled = true;
CancelBTN.Visible = true;
DoneBTN.Visible = false;
OptionsBTN.Visible = false;
SubscriptionCTRL.Visible = true;
BrowseCTRL.Visible = false;
ItemsCTRL.Visible = true;
ResultsCTRL.Visible = false;
}
/// <summary>
/// Removes a previously created subscription.
/// </summary>
private void UndoCreate()
{
try
{
mServer_.CancelSubscription(mSubscription_);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
finally
{
if (mSubscription_ != null)
{
mSubscription_.Dispose();
}
mSubscription_ = null;
}
// move to edit subscription panel.
backBtn_.Enabled = false;
nextBtn_.Enabled = true;
cancelBtn_.Visible = true;
doneBtn_.Visible = false;
optionsBtn_.Visible = false;
subscriptionCtrl_.Visible = true;
browseCtrl_.Visible = false;
itemsCtrl_.Visible = true;
resultsCtrl_.Visible = false;
}
/// <summary>
/// Deletes the specified subscription.
/// </summary>
private void DeleteSubscription(TreeNode node, TsCDaSubscription subscription)
{
if (SubscriptionModified != null)
{
SubscriptionModified(subscription, true);
}
try
{
TsCDaServer server = subscription.Server;
server.CancelSubscription(subscription);
subscription.Dispose();
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
node.Remove();
}
/// <summary>
/// Removes a subscription an releases all resources.
/// </summary>
private void RemoveSubscriptionMI_Click(object sender, System.EventArgs e)
{
TreeNode node = subscriptionTv_.SelectedNode;
if (IsSubscriptionNode(node))
{
if (node.Parent != null)
{
try
{
TsCDaServer server = (TsCDaServer)node.Parent.Tag;
server.CancelSubscription((TsCDaSubscription)node.Tag);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
node.Remove();
}
}
}
private void TestMI_Click(object sender, System.EventArgs e)
{
try
{
TsCDaServer server = (TsCDaServer)m_server;
TsCDaItem[] items = new TsCDaItem[100];
for (int ii = 0; ii < items.Length; ii++)
{
items[ii] = new TsCDaItem();
items[ii].ItemName = "Static/ArrayTypes/Object[]";
items[ii].ItemPath = "DA30";
items[ii].ClientHandle = ii;
}
TsCDaSubscriptionState state = new TsCDaSubscriptionState();
state.Active = true;
state.UpdateRate = 1000;
ITsCDaSubscription subscription = server.CreateSubscription(state);
Thread.Sleep(100);
TsCDaItemResult[] results = subscription.AddItems(items);
Thread.Sleep(100);
subscription.RemoveItems(results);
Thread.Sleep(100);
server.CancelSubscription(subscription);
Thread.Sleep(100);
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}
/// <summary>
/// Disconnects from the server and clears all objects.
/// </summary>
private void Disconnect(TreeNode node, TsCDaServer server)
{
// remove all subscriptions.
foreach (TreeNode child in node.Nodes)
{
if (IsSubscriptionNode(child))
{
if (SubscriptionModified != null)
{
SubscriptionModified((TsCDaSubscription)child.Tag, true);
}
TsCDaSubscription subscription = (TsCDaSubscription)child.Tag;
server.CancelSubscription(subscription);
subscription.Dispose();
}
}
// disconnect server.
server.Disconnect();
// remove tree from view.
node.Remove();
}