/// <summary>
/// Add given item to OPC items group
/// </summary>
/// <param name="itemName"></param>
private void AddItemToGroup(string itemName)
{
try
{
int rtc;
rtc = AsyncRefrGroup.Add(itemName);
if (HRESULTS.Failed(rtc))
{
DBLogging.InsertLogs("Exception: AddItemToGroup", false, "ReadWriteGroup.GetErrorString(rtc) " + itemName, _connStr);
}
}
catch (Exception ex)
{
DBLogging.InsertLogs("Exception: AddItemToGroup", false, "ReadWriteGroup.GetErrorString(rtc) " + ex.Message, _connStr);
}
}
private string AddMyRefreshGroup1(OpcServer OpcSrv)
{
float deadBand = 90.0F;
try
{ // create group with 2 sec update rate
oGrp = OpcSrv.AddGroup("Line1", true, UpdateRate, ref deadBand, 0, 0);
}
catch
{
DBLogging.InsertLogs("Exception: AddMyRefreshGroup1", false, "Group could not be added", _connStr);
return("Group could not be added");
}
oGrp.DataChanged += new DataChangeEventHandler(DataChangedHandler);
oGrp.AdviseIOPCDataCallback();
//client handle as item index
items1[0] = new OPCItemDef(TagLPG_Bay01_RFID_Puched, true, 0, VarEnum.VT_BOOL);
items1[1] = new OPCItemDef(TagLPG_WB_RFIDPunched, true, 1, VarEnum.VT_BOOL);
items1[2] = new OPCItemDef(TagLPG_Bay01_LPGBatchComplete, true, 2, VarEnum.VT_BOOL);
int rtc;
rtc = oGrp.AddItems(items1, out addRslt1);
if (HRESULTS.Failed(rtc))
{
return("Error at AddItem");
}
for (int i = 0; i < addRslt1.Length; ++i)
{
ItemValues1[i] = new OPCItemState();
}
return("");
}