/// <summary>
/// Handles a change to the state of the subscription.
/// </summary>
void Subscription_StateChanged(Subscription subscription, SubscriptionStateChangedEventArgs e)
{
if (InvokeRequired)
{
BeginInvoke(m_SubscriptionStateChanged, subscription, e);
return;
}
else if (!IsHandleCreated)
{
return;
}
try {
// ignore notifications for other subscriptions.
if (!Object.ReferenceEquals(m_subscription, subscription))
{
return;
}
// notify controls of the change.
EventsCTRL.SubscriptionChanged(e);
DataChangesCTRL.SubscriptionChanged(e);
MonitoredItemsCTRL.SubscriptionChanged(e);
// update subscription status.
UpdateStatus();
} catch (Exception exception) {
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
/// <summary>
/// Displays the dialog.
/// </summary>
public void Show(Subscription subscription, bool useTypeModel)
{
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
Show();
BringToFront();
// remove previous subscription.
if (m_subscription != null)
{
m_subscription.StateChanged -= m_SubscriptionStateChanged;
}
// start receiving notifications from the new subscription.
m_subscription = subscription;
if (subscription != null)
{
m_subscription.StateChanged += m_SubscriptionStateChanged;
}
m_subscription = subscription;
BrowseCTRL.AllowPick = true;
BrowseCTRL.SetView(subscription.Session, (useTypeModel)?BrowseViewType.ObjectTypes:BrowseViewType.Objects, null);
MonitoredItemsCTRL.Initialize(subscription);
}
private void ApplyBTN_Click(object sender, EventArgs e) {
try {
MonitoredItemsCTRL.ApplyChanges(true);
} catch (Exception exception) {
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
private void BrowseCTRL_ItemsSelected(object sender, NodesSelectedEventArgs e) {
try {
foreach (ReferenceDescription reference in e.References) {
if (reference.ReferenceTypeId == ReferenceTypeIds.HasProperty || reference.IsForward) {
MonitoredItemsCTRL.AddItem(reference);
}
}
} catch (Exception exception) {
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
private void SubscriptionDlg_FormClosing(object sender, FormClosingEventArgs e)
{
try {
if (m_createDialog != null)
{
m_createDialog.Close();
}
MonitoredItemsCTRL.FormClosing();
} catch (Exception exception) {
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
/// <summary>
/// Displays the dialog.
/// </summary>
public void Show(MonitoredItem monitoredItem)
{
if (monitoredItem == null)
{
throw new ArgumentNullException("monitoredItem");
}
Show();
BringToFront();
// remove previous subscription.
if (m_monitoredItem != null)
{
monitoredItem.Subscription.StateChanged -= m_SubscriptionStateChanged;
monitoredItem.Subscription.PublishStatusChanged -= m_PublishStatusChanged;
monitoredItem.Notification -= m_MonitoredItemNotification;
}
// start receiving notifications from the new subscription.
m_monitoredItem = monitoredItem;
m_subscription = null;
if (m_monitoredItem != null)
{
m_subscription = monitoredItem.Subscription;
m_monitoredItem.Subscription.StateChanged += m_SubscriptionStateChanged;
m_monitoredItem.Subscription.PublishStatusChanged += m_PublishStatusChanged;
m_monitoredItem.Notification += m_MonitoredItemNotification;
}
WindowMI_Click(WindowStatusMI, null);
WindowMI_Click(WindowLatestValueMI, null);
MonitoredItemsCTRL.Initialize(m_monitoredItem);
EventsCTRL.Initialize(m_subscription, m_monitoredItem);
DataChangesCTRL.Initialize(m_subscription, m_monitoredItem);
LatestValueCTRL.ShowValue(m_monitoredItem, false);
}
/// <summary>
/// Displays the dialog.
/// </summary>
public void Show(Subscription subscription)
{
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
Show();
BringToFront();
// remove previous subscription.
if (m_subscription != null)
{
m_subscription.StateChanged -= m_SubscriptionStateChanged;
m_subscription.PublishStatusChanged -= m_PublishStatusChanged;
m_subscription.Session.Notification -= m_SessionNotification;
}
// start receiving notifications from the new subscription.
m_subscription = subscription;
if (subscription != null)
{
m_subscription.StateChanged += m_SubscriptionStateChanged;
m_subscription.PublishStatusChanged += m_PublishStatusChanged;
m_subscription.Session.Notification += m_SessionNotification;
}
MonitoredItemsCTRL.Initialize(subscription);
EventsCTRL.Initialize(subscription, null);
DataChangesCTRL.Initialize(subscription, null);
WindowMI_Click(WindowDataChangesMI, null);
UpdateStatus();
}
