private void OpcUaClientHelper_OnDataChanged(object sender, OpcUaHelper.OpcUaDataEventArgs e)
{
Func <List <OpcUaClientHelper>, int, string> func = (a, b) =>
{
LogHelper.Logger.Debug("12113321");
return("asd");
};
//DispatchingHandler = new dispatchingDelegate(dispatchingExecute);
DispatchingHandler.BeginInvoke(sender, e, new AsyncCallback((a) =>
{
if (a.IsCompleted)
{
try
{
bool result = DispatchingHandler.EndInvoke(a);
}
catch (Exception ex)
{
LogHelper.Logger.Error("OPCUA数据回调错误", ex);
}
}
}), null);
}
private void OpcUaClienthelper_OnDataChanged(object sender, OpcUaHelper.OpcUaDataEventArgs e)
{
string message = DateTime.Now.ToString(dateString) + e.OpcUaStatusCodes + " " + (e.OpcUaDataItem == null ? " " : e.OpcUaDataItem.ToString()) + System.Environment.NewLine;
try
{
//int.TryParse(e.OpcDataItem.OldValue.ToString(), out int old);
//int.TryParse(e.OpcDataItem.NewValue.ToString(), out int newv);
//if (old + 3 != newv)
//{
// System.Diagnostics.Debug.Print($"值不连续{e.OpcDataItem.ToString()}");
//}
//else
//{
// //System.Diagnostics.Debug.Print($"连续{e.OpcDataItem.ToString()}");
// WriteFile(message);
//}
asyncUpMessage(message);
this.Dispatcher.Invoke(new Action(() =>
{
var oldItem = opcUaDataItems.FirstOrDefault(a => a.Name == e.OpcUaDataItem.Name);
int index = opcUaDataItems.IndexOf(oldItem);
opcUaDataItems.Insert(index, e.OpcUaDataItem);
opcUaDataItems.Remove(oldItem);
gvOpcUaDataItems.ItemsSource = null;
gvOpcUaDataItems.ItemsSource = opcUaDataItems;
}));
//asyncUpOpcUaDataItems(this.opcUaClientHelper.OpcUaDataItems);
//upOpcDataItemDelgate(e.OpcDataItem);
}
catch (AggregateException ex)
{
//asyncUpMessage(DateTime.Now.ToString(dateString) + ex.Message + System.Environment.NewLine);
}
}
/// <summary>
/// 处理订阅事件
/// </summary>
/// <param name="item"></param>
/// <param name="e"></param>
private void OnMonitoredNotification(MonitoredItem item, MonitoredItemNotificationEventArgs e)
{
MonitoredItemNotification notification = e.NotificationValue as MonitoredItemNotification;
var node = e.NotificationValue as NodeId;
var opcUaDataItem = this.OpcUaDataItems.FirstOrDefault(a => a.Name == item.ResolvedNodeId.ToString());
if (!Equals(opcUaDataItem, null))
{
opcUaDataItem.OldValue = opcUaDataItem.NewValue;
opcUaDataItem.NewValue = notification?.Value.Value;
opcUaDataItem.OpcUaStatusCodes = (OpcUaStatusCodes)notification?.Value.StatusCode.Code;
OpcUaDataEventArgs args = new OpcUaDataEventArgs(opcUaDataItem.OpcUaStatusCodes, opcUaDataItem);
OnDataChanged?.BeginInvoke(this, args, new AsyncCallback((a) =>
{
if (a.IsCompleted)
{
OnDataChanged?.EndInvoke(a);
}
}), null);
}
}