public static NewOpcServer GetInstance()
{
if (_instance == null)
{
_instance = new NewOpcServer();
}
return(_instance);
}
public static OpcValue ReadTag(NewOpcServer.OpcList obj, string tag)
{
if (!string.IsNullOrEmpty(tag))
{
var result = NewOpcServer.GetInstance().GetOpc(obj)?.ReadNode(tag.ToNode(), OpcAttribute.Value);
return(result);
}
return(null);
}
public static bool WriteTags(NewOpcServer.OpcList obj, Dictionary <ApiOpcParameter, string> parameters)
{
var opcWriteNodeList = new List <OpcWriteNode>();
foreach (var parameter in parameters)
{
var opcWriteNode = GetOpcWriteNode(parameter.Value, parameter.Key);
opcWriteNodeList.Add(opcWriteNode);
}
var commands = opcWriteNodeList.ToArray();
var results = NewOpcServer.GetInstance().GetOpc(obj)?.WriteNodes(commands);
var goodResult = (results ?? throw new InvalidOperationException()).Count(x => x.Code == 0);
return(goodResult == parameters.Count);
}
