public void ListAllServers()
{
OpcDaSrvList.Items.Clear();
OpcServerList lst = new OpcServerList();
OpcServers[] svs = null;
try
{
lst.ListAllData20(out svs);
}
catch (COMException)
{
MessageBox.Show(this, "Enum OPC servers failed!", "Select Server", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (svs == null)
{
return;
}
string[] itemstrings = new string[3];
foreach (OpcServers l in svs)
{
itemstrings[0] = l.ServerName;
itemstrings[1] = l.ProgID;
itemstrings[2] = l.ClsID.ToString();
OpcDaSrvList.Items.Add(new ListViewItem(itemstrings));
}
// preselect top item in ListView
OpcDaSrvList.Items[0].Selected = true;
}
static void Main()
{
Console.WriteLine("OPC Data Access 1.0");
foreach (var server in OpcServerList.ListAll(OpcServerList.OpcDataAccess10))
{
Console.WriteLine("'{0}' ID={1} [{2}]", server.Name, server.ProgID, server.ClsID);
}
Console.WriteLine("OPC Data Access 2.0");
foreach (var server in OpcServerList.ListAllData20())
{
Console.WriteLine("'{0}' ID={1} [{2}]", server.Name, server.ProgID, server.ClsID);
}
Console.WriteLine("OPC Data Access 3.0");
foreach (var server in OpcServerList.ListAll(OpcServerList.OpcDataAccess30))
{
Console.WriteLine("'{0}' ID={1} [{2}]", server.Name, server.ProgID, server.ClsID);
}
Console.WriteLine("OPC XML Data Access");
foreach (var server in OpcServerList.ListAll(OpcServerList.OpcDataAccessXML))
{
Console.WriteLine("'{0}' ID={1} [{2}]", server.Name, server.ProgID, server.ClsID);
}
}
public List <OpcServerDescription> GetListAllServers()
{
List <OpcServerDescription> result = new List <OpcServerDescription>();
OpcServerList lst = new OpcServerList();
OpcServers[] svs = null;
lst.ListAllData20(out svs);
if (svs == null)
{
return(result);
}
string[] itemstrings = new string[3];
foreach (OpcServers l in svs)
{
itemstrings[0] = l.ServerName;
itemstrings[1] = l.ProgID;
itemstrings[2] = l.ClsID.ToString();
result.Add(new OpcServerDescription
{
ServerName = l.ServerName,
ProgId = l.ProgID,
ClsId = l.ClsID
});
}
return(result);
}