public OPCGroup AddGroup(string groupName, int updateRate)
{
OPCGroup opcGroup = new OPCGroup(this, groupName, updateRate);
this.AddGroup(opcGroup);
this.groups.Add(groupName, opcGroup);
return opcGroup;
}
protected void AddGroup(string groupName, OPCGroup group)
{
if (this.defaultGroup == null)
{
this.defaultGroup = groupName.ToUpper();
}
this.groupTable.Add(groupName.ToUpper(), group);
}
internal OPCItem(OPCGroup opcGroup, string itemName, string opcItemName, int clientHandler, bool isActive)
{
this.parent = opcGroup;
this.ItemName = itemName;
this.opcItemName = opcItemName;
this.clientHandler = clientHandler;
this.isActive = isActive;
}
private bool AddGroup(OPCGroup opcGroup)
{
bool flag = true;
float num2 = 0f;
int phServerGroup = 0;
GCHandle handle = GCHandle.Alloc(num2, GCHandleType.Pinned);
IntPtr zero = IntPtr.Zero;
try
{
int num;
object obj2;
IConnectionPoint point;
int num4;
this.pIOPCServer.AddGroup(opcGroup.GroupName, 1, opcGroup.UpdateRate, 0, zero, IntPtr.Zero, 0x86, out phServerGroup, out num, ref this.itemMgtInterface, out obj2);
opcGroup.UpdateRate = num;
opcGroup.ServerHandler = phServerGroup;
IConnectionPointContainer container = (IConnectionPointContainer) obj2;
Guid gUID = typeof(IOPCDataCallback).GUID;
container.FindConnectionPoint(ref gUID, out point);
point.Advise(opcGroup, out num4);
opcGroup.SetParam(num4, obj2);
}
catch (Exception)
{
flag = false;
}
finally
{
if (handle.IsAllocated)
{
handle.Free();
}
}
return flag;
}
internal void Add(string groupName, OPCGroup group)
{
this.AddGroup(groupName, group);
}