public void Dispose()
{
try
{
if (_opcServer != null)
{
foreach (var grp in _groups)
{
_opcServer.RemoveGroup(grp.Key, true);
grp.Value.Dispose();
}
_groups.Clear();
}
if (_shutDownPoint != null)
{
if (_shutDownCookie != 0)
{
_shutDownPoint.Unadvise(_shutDownCookie);
}
Marshal.ReleaseComObject(_shutDownPoint);
}
if (_opcServerObj != null)
{
Marshal.ReleaseComObject(_opcServerObj);
}
}
catch (Exception e)
{
ShutdownRequest(e.Message);
}
_opcServerObj = null;
_opcServer = null;
_shutDownPoint = null;
_shutDownCookie = 0;
}
/// <summary>
/// 断开PLC的连接
/// </summary>
/// <returns></returns>
public string DisConnection()
{
string errText = string.Empty;
try
{
if (IOPCSyncIO2Obj != null)
{
Marshal.ReleaseComObject(IOPCSyncIO2Obj);
IOPCSyncIO2Obj = null;
}
ServerObj.RemoveGroup(pSvrGroupHandle, 0);
if (IOPCGroupStateMgtObj != null)
{
Marshal.ReleaseComObject(IOPCGroupStateMgtObj);
IOPCGroupStateMgtObj = null;
}
if (MyobjGroup1 != null)
{
Marshal.ReleaseComObject(MyobjGroup1);
MyobjGroup1 = null;
}
if (ServerObj != null)
{
Marshal.ReleaseComObject(ServerObj);
ServerObj = null;
}
}
catch (System.Exception error)
{
errText = error.Message.ToString().Trim();
}
return(errText);
}
/// <summary>
/// Releases unmanaged resources held by the object.
/// </summary>
protected override void Dispose(bool disposing)
{
if (!m_disposed)
{
lock (this)
{
if (disposing)
{
// Release managed resources.
if (m_server != null)
{
// release all groups.
foreach (Subscription subscription in subscriptions_.Values)
{
string methodName = "IOPCServer.RemoveGroup";
// remove subscription from server.
try
{
TsCDaSubscriptionState state = subscription.GetState();
if (state != null)
{
IOPCServer server = BeginComCall <IOPCServer>(methodName, true);
server?.RemoveGroup((int)state.ServerHandle, 0);
}
}
catch (Exception e)
{
ComCallError(methodName, e);
}
finally
{
EndComCall(methodName);
}
// dispose of the subscription object (disconnects all subscription connections).
subscription.Dispose();
}
// clear subscription table.
subscriptions_.Clear();
}
}
// Release unmanaged resources.
// Set large fields to null.
if (m_server != null)
{
// release the COM server.
Technosoftware.DaAeHdaClient.Com.Interop.ReleaseServer(m_server);
m_server = null;
}
}
// Call Dispose on your base class.
m_disposed = true;
}
base.Dispose(disposing);
}
private void InternalRemove(bool force)
{
if (!(callbackConnectionPoint == null))
{
if (callbackCookie != 0)
{
callbackConnectionPoint.Unadvise(callbackCookie);
callbackCookie = 0;
}
int rc = Marshal.ReleaseComObject(callbackConnectionPoint);
callbackConnectionPoint = null;
}
if (!(opcGroupObject == null))
{
int rc = Marshal.ReleaseComObject(opcGroupObject);
opcGroupObject = null;
}
if (!(parentServer == null))
{
if (!statePublic)
{
parentServer.RemoveGroup(stateHandleServer, force);
}
parentServer = null;
}
stateHandleServer = 0;
}
public void Remove(bool p_Force)
{
if (m_CallbackPoint != null)
{
if (m_CallbackCookie != 0)
{
m_CallbackPoint.Unadvise(m_CallbackCookie);
m_CallbackCookie = 0;
}
Marshal.ReleaseComObject(m_CallbackPoint);
m_CallbackPoint = null;
}
m_PointContainer = null;
m_IfItems = null;
m_IfSync = null;
m_IfAsync = null;
if (m_IfMgt != null)
{
Marshal.ReleaseComObject(m_IfMgt);
m_IfMgt = null;
}
if (m_IfServer != null)
{
if (!m_State.Public)
{
m_IfServer.RemoveGroup(m_State.HandleServer, p_Force);
}
m_IfServer = null;
}
m_State.HandleServer = 0;
}
public void unloadcomobjects()
{
Marshal.ReleaseComObject(pIOPCSyncIO);
pIOPCSyncIO = null;
pIOPCServer.RemoveGroup(nSvrGroupID, 0);
Marshal.ReleaseComObject(pobjGroup1);
pobjGroup1 = null;
}
/*------------------------------------------------------
* Disconnect OPC Server
*
* (ret) True OK
* False NG
* ------------------------------------------------------*/
public bool Disconnect()
{
if (m_OPCServer == null)
{
return(true);
}
int ret;
try
{
Unadvise();
if (m_OPCGroup != null)
{
ret = Marshal.ReleaseComObject(m_OPCGroup);
m_OPCGroup = null;
}
if (m_OPCGroup2 != null)
{
ret = Marshal.ReleaseComObject(m_OPCGroup2);
m_OPCGroup2 = null;
}
if (m_OPCConnPoint != null)
{
ret = Marshal.ReleaseComObject(m_OPCConnPoint);
m_OPCConnPoint = null;
}
// 2011/11/14 シャットダウンイベントを受けれるようにする (
if (m_iShutdownConnectionCookie != 0)
{
m_OpcShutdownConnectionPoint.Unadvise(m_iShutdownConnectionCookie);
}
m_iShutdownConnectionCookie = 0;
if (m_OpcShutdownConnectionPoint != null)
{
Marshal.ReleaseComObject(m_OpcShutdownConnectionPoint);
m_OpcShutdownConnectionPoint = null;
}
// 2011/11/14 シャットダウンイベントを受けれるようにする )
if (m_iServerGroup != 0) // 06/10/19 Fixed the timing of 'RemoveGroup'.
{ //
m_OPCServer.RemoveGroup(m_iServerGroup, 0); //
m_iServerGroup = 0; //
} //
ret = Marshal.ReleaseComObject(m_OPCServer);
m_OPCServer = null;
m_bConnect = false;
return(true);
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString(), "Disconnect");
m_bConnect = false;
return(false);
}
}
/// <summary>
/// Cancels a subscription and releases all resources allocated for it.
/// </summary>
/// <param name="subscription">The subscription to cancel.</param>
public void CancelSubscription(ITsCDaSubscription subscription)
{
if (subscription == null)
{
throw new ArgumentNullException(nameof(subscription));
}
lock (this)
{
if (server_ == null)
{
throw new NotConnectedException();
}
string methodName = "IOPCServer.RemoveGroup";
// validate argument.
if (!typeof(Subscription).IsInstanceOfType(subscription))
{
throw new ArgumentException("Incorrect object type.", nameof(subscription));
}
// get the subscription state.
TsCDaSubscriptionState state = subscription.GetState();
if (!subscriptions_.ContainsKey(state.ServerHandle))
{
throw new ArgumentException("Handle not found.", nameof(subscription));
}
subscriptions_.Remove(state.ServerHandle);
// release all subscription resources.
subscription.Dispose();
// invoke COM method.
try
{
IOPCServer server = BeginComCall <IOPCServer>(methodName, true);
server.RemoveGroup((int)state.ServerHandle, 0);
if (DCOMCallWatchdog.IsCancelled)
{
throw new Exception($"{methodName} call was cancelled due to response timeout");
}
}
catch (Exception e)
{
ComCallError(methodName, e);
throw Utilities.Interop.CreateException(methodName, e);
}
finally
{
EndComCall(methodName);
}
}
}
/// <summary>
/// 断开连接OpcServer
/// </summary>
public void OpcDisConnect()
{
foreach (var item in OpcGroups)
{
try
{
item.Value.Dispose();
opcServer.RemoveGroup(item.Value.ServerGroupHandle, 0);
}
catch (Exception)
{
}
}
try
{
if (dwCookie != 0)
{
connectionPoint.Unadvise(dwCookie);
dwCookie = 0;
}
}
catch (Exception)
{
dwCookie = 0;
}
try
{
if (connectionPoint != null)
{
Marshal.ReleaseComObject(connectionPoint);
connectionPoint = null;
}
if (connectionPointContainer != null)
{
Marshal.ReleaseComObject(connectionPointContainer);
connectionPointContainer = null;
}
if (opcServer != null)
{
Marshal.ReleaseComObject(opcServer);//减与指定的 COM 对象关联的运行时可调用包装器 (RCW) 的引用计数。
}
}
finally
{
if (opcServer != null)
{
opcServer = null;
}
if (_opcServer != null)
{
_opcServer = null;
}
}
}
/// <summary>
/// 断开PLC的连接
/// </summary>
/// <returns></returns>
public string DisConnection()
{
string errText = string.Empty;
try
{
if (dwCookie != 0)
{
pIConnectionPoint.Unadvise(dwCookie);
dwCookie = 0;
}
// Free unmanaged code
Marshal.ReleaseComObject(pIConnectionPoint);
pIConnectionPoint = null;
Marshal.ReleaseComObject(pIConnectionPointContainer);
pIConnectionPointContainer = null;
if (IOPCAsyncIO2Obj != null)
{
Marshal.ReleaseComObject(IOPCAsyncIO2Obj);
IOPCAsyncIO2Obj = null;
}
ServerObj.RemoveGroup(pSvrGroupHandle, 0);
if (IOPCGroupStateMgtObj != null)
{
Marshal.ReleaseComObject(IOPCGroupStateMgtObj);
IOPCGroupStateMgtObj = null;
}
if (MyobjGroup1 != null)
{
Marshal.ReleaseComObject(MyobjGroup1);
MyobjGroup1 = null;
}
if (ServerObj != null)
{
Marshal.ReleaseComObject(ServerObj);
ServerObj = null;
}
}
catch (System.Exception error)
{
errText = error.Message.ToString().Trim();
}
return(errText);
}
/// <summary> </summary>
/// <exception cref="Exception">throws and forwards any exception (with short error description)</exception>
private void removeGroup()
{
if (m_grpSrvHndl != 0)
{
if (m_OPCServer != null)
{
try
{
m_OPCServer.RemoveGroup(m_grpSrvHndl, Convert.ToInt32(true));
m_grpSrvHndl = 0;
}
catch (Exception)
{
throw;
}
}
}
}
/// <summary>
/// Removes a group.
/// </summary>
public void RemoveGroup(int groupHandle)
{
string methodName = "IOPCServer.RemoveGroup";
try
{
IOPCServer server = BeginComCall <IOPCServer>(methodName, true);
server.RemoveGroup(groupHandle, 0);
}
catch (Exception e)
{
ComUtils.TraceComError(e, methodName);
return;
}
finally
{
EndComCall(methodName);
}
}
public void Remove(bool bForce)
{
ifItems = null;
ifSync = null;
if (!(ifMgt == null))
{
int rc = Marshal.ReleaseComObject(ifMgt);
ifMgt = null;
}
if (!(ifServer == null))
{
if (!state.Public)
{
ifServer.RemoveGroup(state.HandleServer, bForce);
}
ifServer = null;
}
state.HandleServer = 0;
}
