private BLModal _ServerItem = null; //服务端所有条目
/// <summary>
/// 连接服务器
/// </summary>
/// <param name="server"></param>
/// <returns></returns>
public bool Connect(OpcServer server)
{
if (server == null)
{
throw (new ArgumentNullException());
}
OpcDaServer daServer = server as OpcDaServer;
_DaClient = new OPCDAAUTO.OpcDAClientHelper(daServer.Ip, daServer.EndpointDesCription.Description);
_DaClient.Connect();
GetServerItem(); //获取服务端变量
_OpcDaGroup = _DaClient.AddGroup(new Group()
{
Channel = "C",
Device = "D",
});
_OpcDaGroup.DataChangeEvent += _OpcDaGroup_DataChangeEvent;
_OpcDaGroup.AsyncReadCompleteEvent += _OpcDaGroup_AsyncReadCompleteEvent;
_OpcDaGroup.AsyncWriteCompleteEvent += _OpcDaGroup_AsyncWriteCompleteEvent;
_OpcDaGroup.AsyncCancelCompleteEvent += _OpcDaGroup_AsyncCancelCompleteEvent;
IsConnected = true;
return(true);
}
/// <summary>
/// 发现服务器
/// </summary>
/// <param name="serverUrl"></param>
/// <returns></returns>
public List <EndpointDes> FindServer(string serverUrl)
{
List <EndpointDes> endpointDes = new List <EndpointDes>();
foreach (var s in OpcDAClientHelper.GetOpcServer(serverUrl))
{
endpointDes.Add(new EndpointDes()
{
ID = Guid.NewGuid().ToString(),
Description = s
});
}
return(endpointDes);
}
public void GetBranch()
{
List <string> leafs = new List <string>();
OpcDAClientHelper client = new OpcDAClientHelper();
client.Connect();
client.GetUserNodeTags();
List <string> branch = client.GetBranch("");
for (int i = 0; i < branch.Count; i++)
{
if (!branch[i].StartsWith("_"))
{
leafs = client.GetBranch(branch[i]);
}
}
client.DisConnect();
}
//枚举本地OPC服务器
private void GetLocalServer()
{
//获取本地计算机IP,计算机名称
IPHostEntry IPHost = Dns.GetHostEntry(Environment.MachineName);
if (IPHost.AddressList.Length > 0)
{
strHostIP = IPHost.AddressList[2].ToString();
//txtRemoteServerIP.Text = IPHost.AddressList[2].ToString();
Server_IP.Text = IPHost.AddressList[2].ToString();
}
else
{
return;
}
//通过IP来获取计算机名称，可用在局域网内
IPHostEntry ipHostEntry = Dns.GetHostEntry(strHostIP);
strHostName = ipHostEntry.HostName.ToString();
//获取本地计算机上的OPCServerName
try
{
//创建OPC服务器对象，获得OPC服务器列表
object serverList = OpcDAClientHelper.GetOpcServer(strHostIP);
//显示服务器列表
foreach (string turn in (Array)serverList)
{
cmbServerName.Items.Add(turn);
list_INFO.Items.Add("发现服务器 " + strHostIP.ToString() + ": " + turn.ToString());
if (list_INFO.Items.Count == 40)
{
list_INFO.Items.Clear();
}
}
cmbServerName.SelectedIndex = 0;
connect_server.Enabled = true;
}
catch (Exception err)
{
MessageBox.Show("枚举本地OPC服务器出错：" + err.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
/// <inheritdoc />
public bool Connect(OpcServer server)
{
if (server == null)
{
throw (new ArgumentNullException());
}
OpcDaServer daServer = server as OpcDaServer;
_DaClient = new OPCDAAUTO.OpcDAClientHelper(daServer.Ip, daServer.ProgId);
_DaClient.Connect();
_OpcDaGroup = _DaClient.AddGroup(new Group()
{
Channel = "C",
Device = "D",
});
_OpcDaGroup.DataChangeEvent += _OpcDaGroup_DataChangeEvent;
_OpcDaGroup.AsyncReadCompleteEvent += _OpcDaGroup_AsyncReadCompleteEvent;
_OpcDaGroup.AsyncWriteCompleteEvent += _OpcDaGroup_AsyncWriteCompleteEvent;
_OpcDaGroup.AsyncCancelCompleteEvent += _OpcDaGroup_AsyncCancelCompleteEvent;
return(true);
}
//连接OPC服务器
private bool ConnectServer(string ServerIP, string ServerName)
{
try
{
opcClient = new OpcDAClientHelper(ServerIP, ServerName);
if (opcClient.Connect())
{
label3.Text = "OPC 已连接";
}
else
{
MessageBox.Show("women");
}
}
catch (Exception err)
{
MessageBox.Show("连接远程服务器出现错误：" + err.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
return(true);
}
//连接OPC服务器
private bool ConnectServer(string ServerIP, string ServerName)
{
try
{
opcClient = new OpcDAClientHelper(ServerIP, ServerName);
if (opcClient.Connect())
{
connect_server.BackColor = Color.Green;
connect_server.Enabled = false;
}
else
{
MessageBox.Show("women");
}
}
catch (Exception err)
{
MessageBox.Show("连接远程服务器出现错误：" + err.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
return(true);
}
