/// <summary>
/// Prompts the user to specify values to insert for an item.
/// </summary>
public bool ShowDialog(TsCHdaServer server, OpcItem item, bool synchronous)
{
if (server == null) throw new ArgumentNullException("server");
mServer_ = server;
mSynchronous_ = synchronous;
mItem_ = item;
mValues_ = null;
mResults_ = null;
// create new trend.
mTrend_ = new TsCHdaTrend(mServer_);
// set reasonable defaults.
mTrend_.StartTime = new TsCHdaTime("YEAR");
mTrend_.EndTime = new TsCHdaTime("YEAR+1H");
browseCtrl_.Browse(mServer_, null);
valuesCtrl_.Initialize(mServer_, null);
resultsCtrl_.Initialize(mServer_, mValues_, mResults_);
asyncResultsCtrl_.Initialize(mServer_, null);
// update dialog state.
SetState();
// show dialog.
bool result = (ShowDialog() == DialogResult.OK);
// release item handles.
mTrend_.ClearItems();
// return dialog result.
return result;
}
/// <summary>
/// Prompts the user to select an item and specify trend properties.
/// </summary>
public TsCHdaAnnotationValueCollection ShowDialog(TsCHdaServer server, bool synchronous)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
mServer_ = server;
mSingleItem_ = true;
mSynchronous_ = synchronous;
mResults_ = null;
// create new trend.
mTrend_ = new TsCHdaTrend(mServer_);
// set reasonable defaults.
mTrend_.StartTime = new TsCHdaTime("YEAR");
mTrend_.EndTime = new TsCHdaTime("YEAR+1H");
browseCtrl_.Browse(mServer_, null);
trendItemsCtrl_.Initialize(mTrend_, false, null);
trendCtrl_.Initialize(mTrend_, RequestType.ReadAnnotations);
itemsCtrl_.Initialize(null);
resultsCtrl_.Initialize(mServer_, null);
asyncResultsCtrl_.Initialize(mServer_, null);
// update dialog state.
SetState();
// show dialog.
bool result = (ShowDialog() == DialogResult.OK);
// release item handles.
mTrend_.ClearItems();
// return item values.
return((result)?mResults_[0]:null);
}