/// <summary>
/// Handles the click event of the MonitoringMenu_RemoveItems_Click control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void MonitoringMenu_RemoveItems_Click(object sender, EventArgs e)
{
try
{
// check if operation is currently allowed.
if (m_Subscription.Session == null || MonitoredItemsLV.SelectedItems.Count == 0)
{
return;
}
// Collect the items to delete.
List <ListViewItem> itemsToDelete = new List <ListViewItem>();
for (int ii = 0; ii < MonitoredItemsLV.SelectedItems.Count; ii++)
{
MonitoredItem monitoredItem = MonitoredItemsLV.SelectedItems[ii].Tag as MonitoredItem;
if (monitoredItem != null)
{
m_Server.RemoveMonitoredItem(m_Subscription, monitoredItem);
itemsToDelete.Add(MonitoredItemsLV.SelectedItems[ii]);
}
}
// Remove item(s).
for (int ii = 0; ii < itemsToDelete.Count; ii++)
{
MonitoredItem monitoredItem = itemsToDelete[ii].Tag as MonitoredItem;
// Check the status.
if (ServiceResult.IsBad(monitoredItem.Status.Error))
{
itemsToDelete[ii].SubItems[5].Text = monitoredItem.Status.Error.StatusCode.ToString();
continue;
}
itemsToDelete[ii].Remove();
}
// Fit column width.
// NodeId.
MonitoredItemsLV.Columns[0].Width = -2;
// Error.
MonitoredItemsLV.Columns[5].Width = -2;
// Update status label.
OnUpdateStatusLabel("Removing monitored items succeeded.", true);
}
catch (Exception exception)
{
// Update status label.
OnUpdateStatusLabel("An exception occured while removing monitored items: " +
exception.Message, false);
}
}
/// <summary>
// Handles the remove items procedure started from the menu bar.
/// <summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void RemoveItems_Click(object sender, EventArgs e)
{
try
{
// Check if operation is currently allowed.
if (monitoredItemsControl.Subscription.Session == null || monitoredItemsControl.MonitoredItemsList.SelectedItems.Count == 0)
{
return;
}
// Collect the items to delete.
List <ListViewItem> itemsToDelete = new List <ListViewItem>();
for (int ii = 0; ii < monitoredItemsControl.MonitoredItemsList.SelectedItems.Count; ii++)
{
MonitoredItem monitoredItem = monitoredItemsControl.MonitoredItemsList.SelectedItems[ii].Tag as MonitoredItem;
if (monitoredItem != null)
{
m_Server.RemoveMonitoredItem(monitoredItemsControl.Subscription, monitoredItem);
itemsToDelete.Add(monitoredItemsControl.MonitoredItemsList.SelectedItems[ii]);
}
}
// Check the status.
for (int ii = 0; ii < itemsToDelete.Count; ii++)
{
MonitoredItem monitoredItem = itemsToDelete[ii].Tag as MonitoredItem;
if (ServiceResult.IsBad(monitoredItem.Status.Error))
{
// Fill error column.
itemsToDelete[ii].SubItems[5].Text = monitoredItem.Status.Error.StatusCode.ToString();
continue;
}
// Remove the current item from the listview.
itemsToDelete[ii].Remove();
}
// Set the width of the NodeId and the Error column.
monitoredItemsControl.MonitoredItemsList.Columns[0].Width = -2;
monitoredItemsControl.MonitoredItemsList.Columns[5].Width = -2;
// Update status label.
toolStripStatusLabel.Text = "Removing monitored items succeeded.";
}
catch (Exception exception)
{
// Update status label.
toolStripStatusLabel.Text = "An exception occured while removing monitored items: " + exception.Message;
toolStripStatusLabel.Image = global::Siemens.OpcUA.Client.Properties.Resources.error;
}
}
/// <summary>
/// 订阅内移除变量
/// </summary>
/// <param name="tag">要移除的变量</param>
/// <returns></returns>
public bool RemoveSubscription(TagItem tag)
{
MonitoredItem monitoredItem = uAClient.RemoveMonitoredItem(_Subscription, _MonitorItem[tag.ServerId]);
if (_MonitorItem[tag.ServerId].Created == false)
{
_SubscriptionTags.Remove(tag.ServerId);
_MonitorItem.Remove(tag.ServerId);
return(true);
}
else
{
return(false);
}
}