private void button19_Click(object sender, EventArgs e)
{
timer3.Enabled = false;
if (vtab != null)
{
vtab.Dispose();
vtab = null;
}
}
private void button19_Click(object sender, EventArgs e)
{
timer3.Enabled = false;
if (vtab != null)
{
vtab.Dispose();
vtab = null;
}
}
private void button18_Click(object sender, EventArgs e)
{
vtab = myConn.ReadValuesWithVarTabFunctions(myValues, PLCTriggerVarTab.EndOfCycle);
vtab.RequestData();
timer3.Enabled = true;
}
private void BackgroundReadingProc()
{
CancellationTokenSource cts = new CancellationTokenSource();
ParallelOptions po = new ParallelOptions();
po.CancellationToken = cts.Token;
try
{
Parallel.ForEach(_connectionDictionary, po, itm =>
{
try
{
var conn = itm.Value;
var values = from rw in varTabRows
where
rw.Connection == conn &&
rw.LibNoDaveValue != null
select rw.LibNoDaveValue;
PLCConnection.VarTabReadData rq = null;
while (true)
{
if (readFresh && ReadTagsConfig != 0 &&
rq != null)
{
readFresh = false;
rq.Dispose();
rq = null;
}
if (rq == null && ReadTagsConfig != 0)
{
rq =
conn.ReadValuesWithVarTabFunctions(
values,
(PLCTriggerVarTab)
ReadTagsConfig + 1);
}
if (ReadTagsConfig == 0)
{
conn.ReadValues(values);
}
else
{
if (rq != null)
{
rq.RequestData();
}
}
po.CancellationToken.ThrowIfCancellationRequested();
}
}
catch (ThreadAbortException ex)
{
throw;
}
catch (Exception ex)
{
}
});
}
catch (ThreadAbortException ex)
{
cts.Cancel();
}
catch (Exception ex)
{
}
cts.Cancel();
}
private void button18_Click(object sender, EventArgs e)
{
vtab = myConn.ReadValuesWithVarTabFunctions(myValues, PLCTriggerVarTab.EndOfCycle);
vtab.RequestData();
timer3.Enabled = true;
}