public void RefreshFromEvents(OPCController opcgroup)
{
for (int opcIndex = 1; opcIndex < opcgroup.TotalItemNumber + 1; opcIndex++)
{
string tag = opcgroup.GetTagName(opcIndex);
int index = SearchTag(tag);
if (index > -1)
{
InternalTag dt = Values[index];
if (Convert.ToInt32(dt.LastValue) != Convert.ToInt32(dt.Value))
{
dt.LastValue = dt.Value;
dt.Activated = Convert.ToInt32(dt.Value) > 0;
dt.Deactivated = !dt.Activated;
}
else
{
if (dt.Activated)
{
dt.LastValue = 0;
dt.Value = 0;
dt.Activated = false;
dt.Deactivated = true;
}
else
{
dt.Deactivated = false;
}
}
Values[index] = dt;
}
}
}
public void Init()
{
Values = new List <InternalTag>();
Logging log = new Logging("select Tag, OPCName, Type from PLC2DB_Tags order by tag");
try
{
using (var connection = new SqlConnection(IntData.CfgConn))
{
connection.Open();
SqlCommand cmd = new SqlCommand(log.Command, connection);
SqlDataReader sdr = cmd.ExecuteReader();
while (sdr.Read())
{
InternalTag dt = new InternalTag
{
Tag = sdr[0].ToString().Trim(),
IsIntTag = sdr[1].ToString().Trim() == "-" && sdr[2].ToString().Trim() == "VAR",
Activated = false,
Deactivated = false,
LastValue = 0,
Value = 0
};
Values.Add(dt);
}
}
log.Success();
}
catch (Exception ex)
{
log.Fatal(ex);
}
}
public bool UpdateTagsValue(string tag, object newValue)
{
for (int i = 0; i < Values.Count; i++)
{
InternalTag dt = Values[i];
if (dt.Tag.Trim() == tag.Trim())
{
dt.Value = newValue;
Values[i] = dt;
return(true);
}
}
return(false);
}
public void RefreshFromGroup(OPCController opcgroup)
{
for (int index = 1; index < opcgroup.TotalItemNumber + 1; index++)
{
for (int i = 0; i < Values.Count; i++)
{
InternalTag dt = Values[i];
if (dt.Tag == opcgroup.GetTagName(index))
{
dt.Value = opcgroup.GetTagValue(dt.Tag);
dt.Activated = opcgroup.Activated(dt.Tag);
dt.Deactivated = opcgroup.Deactivated(dt.Tag);
}
Values[i] = dt;
}
}
}
