/// <summary>
/// Creates a server handle for the selected item and reads the data.
/// </summary>
private void DoItemRead()
{
// create item (if necessary).
TsCHdaItem item = mTrend_.Items[mItem_];
if (item == null)
{
item = mTrend_.AddItem(mItem_);
}
// get request parameters from controls.
trendCtrl_.Update(mTrend_);
if (mSynchronous_)
{
// read data.
TsCHdaAnnotationValueCollection[] results = mTrend_.ReadAnnotations(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display results.
itemsCtrl_.Initialize(results);
// save results.
mResults_ = results;
}
else
{
// check if already waiting for results.
if (mAsyncSent_)
{
return;
}
// begin read data.
OpcItemResult[] results = mTrend_.ReadAnnotations(
new TsCHdaItem[] { item },
null,
new TsCHdaReadAnnotationsCompleteEventHandler(OnReadComplete),
out mRequest_);
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display initial results.
asyncResultsCtrl_.Initialize(mServer_, results);
mAsyncSent_ = true;
}
}
/// <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>
/// Runs all tests with the specified name and displays the results.
/// </summary>
public bool ShowDialog(TsCHdaServer server, TestData test)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
mServer_ = server;
trendCtrl_.Initialize(test.Trend, RequestType.None);
valuesLv_.Tag = test;
if (test.Expected != null)
{
// add expected result.
resultIdtb_.Text = test.Expected.Result.Name.Name;
// add expected values to list view.
UpdateValues();
}
if (ShowDialog() != DialogResult.OK)
{
return(false);
}
// update trend and expected values.
trendCtrl_.Update(test.Trend);
if (test.Expected != null)
{
// only update result if it does not have invalid characters.
if (resultIdtb_.Text.IndexOfAny("() ".ToCharArray()) == -1)
{
test.Expected.Result = new OpcResult(resultIdtb_.Text, "");
}
test.Expected.Clear();
foreach (ListViewItem listItem in valuesLv_.Items)
{
if (typeof(TsCHdaItemValue).IsInstanceOfType(listItem.Tag))
{
test.Expected.Add(listItem.Tag);
}
}
}
return(true);
}
/// <summary>
/// Synchronously eads the values from the server.
/// </summary>
private TsCHdaResultCollection[] SyncDelete(TsCHdaItem[] items)
{
// get request parameters from controls.
trendCtrl_.Update(mTrend_);
switch (mType_)
{
// synchronous delete raw.
case RequestType.DeleteRaw:
{
OpcItemResult[] results = mTrend_.Delete(items);
if (results != null)
{
TsCHdaResultCollection[] collections = new TsCHdaResultCollection[results.Length];
for (int ii = 0; ii < results.Length; ii++)
{
collections[ii] = new TsCHdaResultCollection(results[ii]);
collections[ii].Add(new TsCHdaResult(results[ii]));
}
return(collections);
}
return(null);
}
// synchronous delete at time.
case RequestType.DeleteAtTime:
{
return(mTrend_.DeleteAtTime(items));
}
}
return(null);
}
/// <summary>
/// Creates a server handle for the selected item and reads the data.
/// </summary>
private void DoItemRead()
{
// get the attribute ids.
if (mAttributeIDs_ == null)
{
mAttributeIDs_ = attributesCtrl_.GetAttributeIDs(true);
return;
}
// create item (if necessary).
TsCHdaItem item = mTrend_.Items[mItem_];
if (item == null)
{
item = mTrend_.AddItem(mItem_);
}
// get the paramaters.
trendCtrl_.Update(mTrend_);
// get the attributes.
mAttributeIDs_ = attributesCtrl_.GetAttributeIDs(true);
if (mSynchronous_)
{
// read data.
TsCHdaItemAttributeCollection results = mTrend_.ReadAttributes(item, mAttributeIDs_);
if (results == null || results.Count != mAttributeIDs_.Length)
{
////throw new InvalidResponseException();
}
// display results.
resultsCtrl_.Initialize(mServer_, results);
// save results.
mResults_ = results;
}
else
{
// check if already waiting for results.
if (mAsyncSent_)
{
return;
}
// begin read data.
TsCHdaResultCollection results = mTrend_.ReadAttributes(
item,
mAttributeIDs_,
null,
new TsCHdaReadAttributesCompleteEventHandler(OnReadComplete),
out mRequest_);
if (results == null || results.Count != mAttributeIDs_.Length)
{
////throw new InvalidResponseException();
}
// display initial results.
asyncResultsCtrl_.Initialize(mServer_, mAttributeIDs_, results);
mAsyncSent_ = true;
}
}