private OpcDaItemResult[] CreateItemResults(IList <OpcDaItemDefinition> itemDefinitions, OPCITEMDEF[] pItemArray,
OPCITEMRESULT[] opcDaItemResults, HRESULT[] ppErrors, bool setGroup)
{
var results = new OpcDaItemResult[pItemArray.Length];
for (int index = 0; index < opcDaItemResults.Length; index++)
{
OPCITEMRESULT opcItemResult = opcDaItemResults[index];
OpcDaItemDefinition opcItemDefinition = itemDefinitions[index];
HRESULT error = ppErrors[index];
if (error.Succeeded)
{
var item = new OpcDaItem(opcItemDefinition, opcItemResult, setGroup ? this : null)
{
UserData = opcItemDefinition.UserData
};
results[index] = new OpcDaItemResult(item, error);
}
else
{
results[index] = new OpcDaItemResult(null, error);
}
}
return(results);
}
internal OpcDaItem(OpcDaItemDefinition itemDefinition, OPCITEMRESULT itemResult, OpcDaGroup @group)
{
Group = @group;
ClientHandle = 0;
ServerHandle = itemResult.hServer;
ItemId = itemDefinition.ItemId;
RequestedDataType = itemDefinition.RequestedDataType;
CanonicalDataType = TypeConverter.FromVarEnum((VarEnum)itemResult.vtCanonicalDataType);
Blob = itemResult.pBlob;
AccessPath = itemDefinition.AccessPath;
IsActive = itemDefinition.IsActive;
AccessRights = (OpcDaAccessRights)itemResult.dwAccessRights;
}
internal OpcDaItem(OpcDaItemDefinition itemDefinition, OPCITEMRESULT itemResult, OpcDaGroup @group)
{
Group = @group;
ClientHandle = 0;
ServerHandle = itemResult.hServer;
ItemId = itemDefinition.ItemId;
RequestedDataType = itemDefinition.RequestedDataType;
CanonicalDataType = TypeConverter.FromVarEnum((VarEnum) itemResult.vtCanonicalDataType);
Blob = itemResult.pBlob;
AccessPath = itemDefinition.AccessPath;
IsActive = itemDefinition.IsActive;
AccessRights = (OpcDaAccessRights) itemResult.dwAccessRights;
}
private static OpcDaGroup CreateGroupWithItems(OpcDaServer server)
{
// Create a group with items.
OpcDaGroup group = server.AddGroup("MyGroup");
group.IsActive = true;
var definition1 = new OpcDaItemDefinition
{
ItemId = "Bucket Brigade.Int4",
IsActive = true
};
var definition2 = new OpcDaItemDefinition
{
ItemId = "Random.Int2",
IsActive = true
};
OpcDaItemDefinition[] definitions = {definition1, definition2};
OpcDaItemResult[] results = group.AddItems(definitions);
// Handle adding results.
foreach (OpcDaItemResult result in results)
{
if (result.Error.Failed)
Console.WriteLine("Error adding items: {0}", result.Error);
}
return group;
}
