public void Attach(NativeOpcServer server, string serverAddress)
{
try
{
_group = server.OPCGroups.Add(Address);
}
catch (Exception ex)
{
_group = null;
this.Error($"{Id}连接失败,错误原因{ex}");
throw;
}
this.InfoSuccess($"连接");
if (_group == null)
{
return;
}
_group.IsActive = true;
_group.OPCItems.DefaultIsActive = true;
_group.IsSubscribed = true;
_group.UpdateRate = 100;
foreach (var item in OpcItems)
{
item.Attach(serverAddress, _group);
_opcItemsLookupTable.Add(item.ClientHandle, item);
}
_group.DataChange += DataChange;
}
public List <string> GetOpcServerList()
{
List <string> serverlist = new List <string>();
try
{
// Create a temporary OPCServer object and use it to get the list of
// available OPC Servers
AnOPCServer = new OPCAutomation.OPCServer();
// Obtain the list of available OPC servers
object AllOPCServers = null;
AllOPCServers = AnOPCServer.GetOPCServers();
// Load the list returned into the List box for user selection
int i = 0;
for (i = Microsoft.VisualBasic.Information.LBound((System.Array)AllOPCServers, 1); i <= Information.UBound((System.Array)AllOPCServers, 1); i++)
{
serverlist.Add(((System.Array)AllOPCServers).GetValue(i).ToString());
}
// Release the temporary OPCServer object now that we're done with it
AnOPCServer = null;
}
catch (Exception ex)
{
MessageBox.Show("List OPC servers failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
return(serverlist);
}
public void OPCServerConnect(string servername, string nodename)
{
//If InStr(OPCServerName, "Click") = 0 Then
try
{
ConnectedOPCServer = new OPCAutomation.OPCServer();
ConnectedOPCServer.Connect(servername, nodename);
this.OPCServerName = servername;
this.OPCNodeName = nodename;
}
catch (Exception ex)
{
ConnectedOPCServer = null;
MessageBox.Show("OPC server connect failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
};
}
public Context()
{
//var type=Type.GetTypeFromProgID("OPC.Automation");
//var type = Type.GetTypeFromCLSID(new Guid("28E68F9A-8D75-11D1-8DC3-3C302A000000"));
//_opcServer = Activator.CreateInstance(type);
_opcServer = new OPCAutomation.OPCServerClass();
opcConnctionChangedEvent += Station_opcConnctionChangedEvent;
/*
* if (!connectOPCAsync().Result)
* {
* throw new Exception("连接不上opc，请检查配置");
* }
*/
connectOPCAsync();
EventPushList.ForEach(pl => pl.setReNewValueCallBack(new Func <IValuesChanged <IComparable>, bool>(clientChangedValue)));
}
public void DisConnectServer()
{
if (ConnectedOPCServer != null)
{
try
{
ConnectedOPCServer.Disconnect();
}
catch (Exception ex)
{
MessageBox.Show("OPC server disconnect failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
finally
{
ConnectedOPCServer = null;
}
}
}
public OpcManager()
{
AnOPCServer = new OPCAutomation.OPCServer();
ConnectedOPCServer = new OPCAutomation.OPCServer();
}
public void OPCServerConnect(string servername,string nodename)
{
//If InStr(OPCServerName, "Click") = 0 Then
try
{
ConnectedOPCServer = new OPCAutomation.OPCServer();
ConnectedOPCServer.Connect(servername, nodename);
this.OPCServerName=servername;
this.OPCNodeName = nodename;
}
catch (Exception ex)
{
ConnectedOPCServer = null;
MessageBox.Show("OPC server connect failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
};
}
public OpcManager()
{
AnOPCServer = new OPCAutomation.OPCServer();
ConnectedOPCServer = new OPCAutomation.OPCServer();
}
public List<string> GetOpcServerList()
{
List<string> serverlist = new List<string>();
try
{
// Create a temporary OPCServer object and use it to get the list of
// available OPC Servers
AnOPCServer = new OPCAutomation.OPCServer();
// Obtain the list of available OPC servers
object AllOPCServers = null;
AllOPCServers = AnOPCServer.GetOPCServers();
// Load the list returned into the List box for user selection
int i = 0;
for (i = Microsoft.VisualBasic.Information.LBound((System.Array)AllOPCServers, 1); i <= Information.UBound((System.Array)AllOPCServers, 1); i++)
{
serverlist.Add(((System.Array)AllOPCServers).GetValue(i).ToString());
}
// Release the temporary OPCServer object now that we're done with it
AnOPCServer = null;
}
catch (Exception ex)
{
MessageBox.Show("List OPC servers failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
return serverlist;
}
public void DisConnectServer()
{
if (ConnectedOPCServer != null)
{
try
{
ConnectedOPCServer.Disconnect();
}
catch (Exception ex)
{
MessageBox.Show("OPC server disconnect failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
finally
{
ConnectedOPCServer = null;
}
}
}
