protected virtual void Dispose(bool aDisposing)
{
if (!mDisposed)
{
if (aDisposing)
{
SimulationRuntimeManager.OnRunTimemanagerLost -= onConnectionLost;
mItemList.Clear();
mItemRWList.Clear();
mSDataValue = null;
if (mTagBrowserForm != null)
{
mTagBrowserForm.Dispose();
mTagBrowserForm = null;
}
if (mItemListLock != null)
{
mItemListLock.Dispose();
mItemListLock = null;
}
if (mMainCycleTimer != null)
{
mMainCycleTimer.Dispose();
mMainCycleTimer = null;
}
if (mDisconnectEvent != null)
{
mDisconnectEvent.Dispose();
mDisconnectEvent = null;
}
if (mPLC != null)
{
mPLC.OnConfigurationChanged -= onConfigurationChanged;
mPLC.OnConfigurationChanging -= onConfigurationChanging;
mPLC.Dispose();
mPLC = null;
}
if (mRRManager != null)
{
mRRManager.OnConnectionLost -= onRemoteConnectionLost;
mRRManager.Disconnect();
mRRManager.Dispose();
mRRManager = null;
}
}
mDisposed = true;
}
}
public void connect()
{
if (mTagBrowserForm != null)
{
mTagBrowserForm.Dispose();
mTagBrowserForm = null;
}
if (mPLC != null)
{
mPLC.OnConfigurationChanged -= onConfigurationChanged;
mPLC.OnConfigurationChanging -= onConfigurationChanging;
mPLC.Dispose();
mPLC = null;
}
if (mRRManager != null)
{
mRRManager.OnConnectionLost -= onRemoteConnectionLost;
mRRManager.Disconnect();
mRRManager.Dispose();
mRRManager = null;
}
if (String.IsNullOrWhiteSpace(mPLCName))
{
throw new InvalidOperationException("PLC name is empty. ");
}
if (mRemote)
{
var lConnectionStr = mIP + ":" + mIPPort.ToString();
if (String.IsNullOrWhiteSpace(lConnectionStr))
{
throw new InvalidOperationException("Connection string is empty. ");
}
try
{
mRRManager = SimulationRuntimeManager.RemoteConnect(lConnectionStr);
}
catch (SimulationRuntimeException lExc)
{
throw new InvalidOperationException("Connection '" + lConnectionStr + "'. " + ErrorCodeMessage(lExc.RuntimeErrorCode), lExc);
}
try
{
mPLC = mRRManager.CreateInterface(mPLCName);
}
catch (SimulationRuntimeException lExc)
{
mRRManager.Dispose();
mRRManager = null;
throw new InvalidOperationException("PLC instance '" + mPLCName + "'. " + ErrorCodeMessage(lExc.RuntimeErrorCode), lExc);
}
mRRManager.OnConnectionLost += onRemoteConnectionLost;
}
else
{
try
{
mPLC = SimulationRuntimeManager.CreateInterface(mPLCName);
}
catch (SimulationRuntimeException lExc)
{
throw new InvalidOperationException("PLC instance '" + mPLCName + "'. " + ErrorCodeMessage(lExc.RuntimeErrorCode), lExc);
}
}
if (mMainCycleTimer == null)
{
mMainCycleTimer = new System.Timers.Timer(MiscUtils.TimeSlice);
mMainCycleTimer.Elapsed += new ElapsedEventHandler(MainCycle);
mMainCycleTimer.AutoReset = false;
}
mPLC.UpdateTagList();
mPLC.OnConfigurationChanged += onConfigurationChanged;
mPLC.OnConfigurationChanging += onConfigurationChanging;
mConnected = true;
mDisconnect = false;
mReconnect = false;
mWriteRequests = 0;
mMainCycleTimer.Start();
raiseConnectionState();
}