private void ServerEnum()
{
try
{
if (this.textBox_OpcServerIp.Text == string.Empty)
{
MessageBox.Show("请输入IP地址！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (this.textBox_OpcServerIp.Text != "localhost" && !RegexMatcher.IsIpAddressValidated(this.textBox_OpcServerIp.Text))//用正则表达式验证IP地址
{
MessageBox.Show("请输入正确格式的IP地址！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
this.comboBox_OpcServerList.Items.Clear();//清空已显示的OPC Server列表
this.IpAddress = this.textBox_OpcServerIp.Text;
if (this.KepServer == null)
{
this.KepServer = new OPCServer();
}
//object serverList = this.KepServer.GetOPCServers(IpAddress);
//Array array = (Array)serverList;
Array array = (Array)(object)this.KepServer.GetOPCServers(IpAddress);
//假如Server列表为空，退出方法，否则为ListBoxControl添加Item
if (array.Length == 0)
{
return;
}
//for (int i = 1; i <= array.Length; i++)
// this.comboBox_OpcServerList.Items.Add((string)array.GetValue(i));
this.comboBox_OpcServerList.Items.AddRange(array.Cast <string>().ToArray());
//if (this.comboBox_OpcServerList.Items.Count > 0)
this.comboBox_OpcServerList.SelectedIndex = 0;
}
//假如获取OPC Server过程中引发COMException，即代表无法连接此IP的OPC Server
catch (Exception ex)
{
MessageBox.Show("无法连接此IP地址的OPC Server！" + ex.Message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
