//添加子项
public void AddItem(SHHOPCItem item)
{
if (_itemList.Contains(item) == false)
{
_itemList.Add(item);
item.AttachToGroup(this);
}
}
//移除子项
public void RemoveItem(SHHOPCItem item)
{
if (_itemList.Contains(item))
{
item.DetachFromGroup(this);
_itemList.Remove(item);
}
}
//测点值改变(一般是事件订阅触发)
private void OPCGroup_DataChange(int TransactionID, int NumItems, ref Array ClientHandles, ref Array ItemValues, ref Array Qualities, ref Array TimeStamps)
{
float[] values = ItemValues as float[];
int[] qualities = Qualities as int[];
DateTime[] times = TimeStamps as DateTime[];
for (int i = 1; i <= NumItems; i++)
{
for (int j = 0; j < _itemList.Count; j++)
{
SHHOPCItem item = _itemList[j];
if (Convert.ToInt32(ClientHandles.GetValue(i)) == item.GetHashCode())
{
object value = ItemValues.GetValue(i);
item.PointValue = value.ToString();
TB_TF_RealValues.UpdateValue(item.ID, value.ToString(), (DateTime)TimeStamps.GetValue(i), (int)SHHPointState.Normal);
break;
}
}
}
}
