/// <summary>
/// Create server handles for new items.
/// </summary>
private void DoRead()
{
// fetch the new trend parameters.
trendCtrl_.Update(mTrend_);
// create item (if necessary).
TsCHdaItem item = mTrend_.Items[mItem_];
if (item == null)
{
item = mTrend_.AddItem(mItem_);
}
// read data.
TsCHdaItemValueCollection[] results = mTrend_.Read(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// save results.
mValues_ = results;
// display results.
valuesCtrl_.Initialize(mServer_, mValues_[0]);
}
/// <summary>
/// Create server handles for new items.
/// </summary>
private void DoRead()
{
// fetch the new trend parameters.
TrendCTRL.Update(m_trend);
// create item (if necessary).
TsCHdaItem item = m_trend.Items[m_item];
if (item == null)
{
item = m_trend.AddItem(m_item);
}
// read data.
TsCHdaItemValueCollection[] results = m_trend.Read(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// save results.
m_values = results;
// display results.
ValuesCTRL.Initialize(m_server, m_values[0]);
}
/// <summary>
/// Synchronously eads the values from the server.
/// </summary>
private TsCHdaItemValueCollection[] SyncRead(TsCHdaItem[] items)
{
switch (mType_)
{
// synchronous read raw or read processed.
case RequestType.Read:
{
return(mTrend_.Read(items));
}
// synchronous read raw.
case RequestType.ReadRaw:
{
return(mTrend_.ReadRaw(items));
}
// synchronous read processed.
case RequestType.ReadProcessed:
{
return(mTrend_.ReadProcessed(items));
}
// synchronous read modified.
case RequestType.ReadModified:
{
return(mTrend_.ReadModified(items));
}
// synchronous read at time.
case RequestType.ReadAtTime:
{
return(mTrend_.ReadAtTime(items));
}
}
return(null);
}
