Updates to PLCTag, ItemDoesNotExistError fixes...

Author: jogibear9988

ExampleWPFVisualization/MainWindow.xaml.cs

@@ -103,6 +103,7 @@ private void cmdStop_Click(object sender, RoutedEventArgs e)
             worker.CancelAsync();            
             cmdConnect.IsEnabled = true;
             cmdStop.IsEnabled = false;
+            myConn.Disconnect();
         }
 
 

LibNoDaveConnectionLibrary/Communication/PLCConnection.cs

@@ -1445,9 +1445,7 @@ public void ReadValues(IEnumerable<PLCTag> valueList)
                     libnodave.PDU myPDU = _dc.prepareReadRequest();
 
                     foreach (var libNoDaveValue in valueList)
-                    {
-                        libNoDaveValue.ItemDoesNotExist = false;
-
+                    {                       
                         //Save the Byte Address in anthoer Variable, because if we split the Read Request, we need not the real Start Address
                         akByteAddress = libNoDaveValue.ByteAddress;
 
@@ -1574,6 +1572,7 @@ public void ReadValues(IEnumerable<PLCTag> valueList)
                     {
                         if (!NotExistedValue[nr])
                         {
+                            value.ItemDoesNotExist = false;
                             value._readValueFromBuffer(completeData, buffPos);
                             buffPos += value._internalGetSize();
                         }