public SubscriptionItems(SubscriptionTreeNodeSession node)
{
foreach (TagTreeNode item in node.Nodes)
{
myChildren.Add((Guid)item.Tag.ClientHandle, item.Tag);
}
srcItems = new OpcDa.Item[myChildren.Count];
for (int ii = 0; ii < srcItems.Length; ii++)
{
srcItems[ii] = myChildren.Values[ii].GetItem;
myChildren.Values[ii].Invalidate();
}
}
private OPC_Interface.OPC_Interface_Tag[] Tags
( OPCCliConfiguration.ItemsRow[] items, OPC_Interface server, OPC_Interface.OPCGroup oPCGroup )
{
OPCClientTag[] tags = new OPCClientTag[ items.Length ];
int idx = 0;
#region foreach ( OPCCliConfiguration.ItemsRow row in items )
foreach ( OPCCliConfiguration.ItemsRow row in items )
{
OpcDa.Item item = row.Item;
double measurement_low = double.NaN;
double measurement_hi = double.NaN;
double engineer_low = double.NaN;
double engineer_hi = double.NaN;
OPCCliConfiguration.ConversionsRow[] conversions = row.GetConversionsRows();
if ( conversions.Length > 0 )
{
if ( conversions.Length != 1 )
throw new Exception( "Too many ConversionsRows for item " + row.Name );
//musimy konwersje uruchomic
measurement_low = conversions[ 0 ].MeasuredValue1;
measurement_hi = conversions[ 0 ].MeasuredValue2;
engineer_low = conversions[ 0 ].EngineeringValue1;
engineer_hi = conversions[ 0 ].EngineeringValue2;
}
//odczytanie odpowiednich property z pliku opisów
global::Opc.Da.ItemPropertyCollection properties =
BaseStation.ItemDescriber.ItemDescriber2OpcDA.GetItemPropertiesCollection( row.Name, Main.m_ds_dsc );
if ( properties.Count == 0 )
{
//nalezy sprawdzic jeszcze - czy moze nie ma nazewnictwa path/ tagname:
properties = BaseStation.ItemDescriber.ItemDescriber2OpcDA.GetItemPropertiesCollection
( server.Name + "/" + oPCGroup.Name + "/" + row.Name, Main.m_ds_dsc );
}
OPCTag tagStatistics =
new OPCTag( (uint)row.ID, row.Item, measurement_low, measurement_hi, engineer_low, engineer_hi );
string path = server.Name + "/" + oPCGroup.Name + "/";
OPCClientTag tag = new OPCClientTag
( tagStatistics, oPCGroup, null, OpcDa.qualityBits.badNotConnected, properties, path, row.Item );
tag.ClientHandle = idx;
tags[ idx++ ] = tag;
}
#endregion foreach ( OPCCliConfiguration.ItemsRow row in items )
return tags;
}
