private static List <OpcTag> tagList; //List where we keep our tags for manipulation.
private static void SubscribeTags()
{
DataOtrilaTableAdapters.TagsTableAdapter tagsTableAdapter = new DataOtrilaTableAdapters.TagsTableAdapter();
tagList = new List <OpcTag>();
DataOtrila data = new DataOtrila();
tagsTableAdapter.Fill(data.Tags);
foreach (DataOtrila.TagsRow row in data.Tags.Rows)
{
TagTypeE tagTypeE = TagTypeE.Digital;
if (row.Type == 2)
{
tagTypeE = TagTypeE.Analog;
}
OpcTag _tag = new OpcTag()
{
TagID = row.ID,
Tag = row.Tag,
TagName = row.Name,
OpcServer = row.OpcServer,
RefreshRate = row.RefreshTime,
Scaling = row.Scale,
Description = row.Description,
Unit = row.Unit,
TagType = tagTypeE,
Archiving = row.Archive
};
_tag.StartSubscription();
tagList.Add(_tag);
}
}
private static void OpcTag_OpcItemHasChanged(object sender, OpcTag e)
{
//Everytime a tag changes this event is raised...
DataOtrilaTableAdapters.TagLiveTableAdapter tagLiveTableAdapter = new DataOtrilaTableAdapters.TagLiveTableAdapter();
DataOtrila data = new DataOtrila();
tagLiveTableAdapter.Fill(data.TagLive);
if (tagLiveTableAdapter.GetTagByName(e.TagName).Count == 0)
{
bool typ = false;
if (e.TagType == TagTypeE.Analog)
{
typ = true;
}
tagLiveTableAdapter.Insert(e.TagID, e.TagName, e.NewValue, typ, false, DateTime.Now);
tagList.Add(e);
}
else
{
tagLiveTableAdapter.UpdateValue(e.NewValue, DateTime.Now.ToString(), e.TagID); //Update table
//Update the list also.
for (int i = 0; i < tagList.Count; i++)
{
if (e.TagID == tagList[i].TagID)
{
tagList[i].NewValue = e.NewValue;
}
}
}
}
