private int GetInt32Value(string index_name)
{
object qualities;
object timestamp;
int return_value = 0;
//return 0;
ObjOPCGroups.GetOPCGroup("ReadGroup").SyncRead((short)OPCAutomation.OPCDataSource.OPCDevice,
tagIndexReader - 1,
ref readerItemServerHandles,
out ItemServerReadValues,
out readerItemServerErrors,
out qualities,
out timestamp);
string message = "";
for (int i = 1; i <= Globals.GetTotalNumberOfOutputTags(); i++)
{
int index = Globals.OUTPUT_TAGS.FirstOrDefault(x => x.Name == index_name).Index;
if (index == i)
{
return_value = (int)ItemServerReadValues.GetValue(i);
}
}
return(return_value);
}
public void SyncRead(string[] sItemsID, string sGroupName, out Array Value, out object Qualities, out object TimeStamps, out Array Result)
{
try
{
int iNumItem = sItemsID.Length;
int[] iServerHandler = GetServerHandles(sItemsID);
Array aServerHandler = (Array)iServerHandler;
Array aValue;
Array aError;
object oQualities;
object oTimeStamps;
KepGroup = KepGroups.GetOPCGroup(sGroupName);
KepGroup.SyncRead(1, iNumItem, aServerHandler, out aValue, out aError, out oQualities, out oTimeStamps);
//Console.WriteLine($"lKepItem:{ sItemsID[0]},{(int)aValue.GetValue(0)},{Qualities},{ TimeStamps}");
//Console.WriteLine($"lKepItem:{(int)aValue.GetValue(0)}");
Value = aValue;
Qualities = oQualities;
TimeStamps = oTimeStamps;
Result = aError;
}
catch
{
// Console.WriteLine("************** " + "SyncRead Error" + " **************");
Value = null;
Qualities = null;
TimeStamps = null;
Result = null;
}
}
public bool GetItems(string groupName, out string[] itemNames, out string reStr)
{
reStr = "";
itemNames = null;
try
{
OPCGroups myGroups = myServer.OPCGroups;
if (myGroups == null)
{
reStr = "得到项列表失败,组名：" + groupName + "不存在";
return(false);
}
OPCGroup myGroup = myGroups.GetOPCGroup(groupName);
if (myGroup == null)
{
reStr = "得到项列表失败";
return(false);
}
OPCItems items = myGroup.OPCItems;
itemNames = new string[items.Count];
for (int i = 0; i < itemNames.Count(); i++)
{
itemNames[i] = items.Item(i + 1).ItemID;
}
reStr = "得到项列成功!";
return(true);
}
catch (System.Exception ex)
{
reStr = "得到项列表失败，返回异常：" + ex.Message;
return(false);
}
}