private static void LoadTestHandler()
{
string[] tags = new string[_tags.Count];
_tags.Keys.CopyTo(tags, 0);
OPCServiceClient.OPCServiceClient client = new OPCServiceClient.OPCServiceClient(_server, _port);
if (client.Connect())
{
while (true)
{
Random rand = new Random();
int n = rand.Next(0, tags.Length);
string tag = tags[n];
if (DateTime.Now.Second % 2 == 0)
{
string value = client.GetValue(tag);
Console.WriteLine("read " + tag + "=" + value);
}
else
{
string value = (DateTime.Now.Millisecond).ToString();
client.SetValue(tag, value);
Console.WriteLine("write " + tag + "=" + value);
}
Thread.Sleep(_gap);
}
}
else
{
Console.WriteLine("无法连接服务器");
}
}
public bool Connect()
{
_client = new OPCServiceClient(this.Server, this.Port);
_client.BadBlockDetected += _client_BadBlockDetected;
bool ret = _client.Connect();
if (!ret)
{
this.State = ServiceState.Error;
picStatus.Image = imageList1.Images["red.png"];
}
else
{
this.State = ServiceState.OK;
picStatus.Image = imageList1.Images["green.png"];
}
return(ret);
}
private void button1_Click(object sender, EventArgs e)
{
if (btnConnect.Text == "连接")
{
btnConnect.Enabled = false;
if (client == null)
{
client = new OPCServiceClient.OPCServiceClient(txtServer.Text, int.Parse(txtPort.Text));
}
client.Server = txtServer.Text;
client.Port = int.Parse(txtPort.Text);
client.BadBlockDetected += Client_BadBlockDetected;
if (!client.Connect())
{
MessageBox.Show("连接到服务器失败!");
btnConnect.Enabled = true;
return;
}
btnConnect.Text = "断开";
txtServer.Enabled = false;
txtPort.Enabled = false;
btnAddItem.Enabled = true;
btnRemoveitem.Enabled = true;
timer1.Start();
}
else if (btnConnect.Text == "断开")
{
client.Disconnect();
btnConnect.Text = "连接";
txtServer.Enabled = true;
txtPort.Enabled = true;
btnAddItem.Enabled = false;
btnRemoveitem.Enabled = false;
timer1.Stop();
}
btnConnect.Enabled = true;
}
static void Main(string[] args)
{
OPCServiceClient.OPCServiceClient client = new OPCServiceClient.OPCServiceClient("127.0.0.1", 9100);
client.BadBlockDetected += Client_BadBlockDetected;
if (client.Connect())
{
client.SetValue("tag1", "1");
string tagValue1 = client.GetValue("tag1");
Dictionary <string, string> dic = new Dictionary <string, string>();
dic.Add("tag2", "20");
dic.Add("tag3", "0");
client.SetValues(dic);
dic = client.GetValues(new List <string>()
{
"tag2", "tag3"
});
client.Disconnect();
}
}
