/// <summary>
/// Prompts the user to select items and specify trend properties.
/// </summary>
public TsCHdaTrend ShowDialog(TsCHdaServer server)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
m_server = server;
m_results = null;
// create new trend.
TsCHdaTrend trend = new TsCHdaTrend(m_server);
// set reasonable defaults.
trend.StartTime = new TsCHdaTime("YEAR");
trend.EndTime = new TsCHdaTime("YEAR+1H");
BrowseCTRL.Browse(m_server, null);
TrendCTRL.Initialize(trend, RequestType.None);
ItemsCTRL.Initialize(m_server, (OpcItem[])null);
ResultsCTRL.Initialize(m_server, m_results);
// update dialog state.
SetState(false);
// show dialog.
if (ShowDialog() != DialogResult.OK)
{
return(null);
}
// create or update the trend.
TrendCTRL.Update(trend);
// add new items.
if (m_results != null)
{
foreach (OpcItemResult item in m_results)
{
if (item.Result.Succeeded())
{
trend.Items.Add(new TsCHdaItem(item));
}
}
}
// return new trend.
return(trend);
}
/// <summary>
/// Displays the current server status in a modal dialog.
/// </summary>
public void ShowDialog(TsCHdaServer server)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
BrowseItemsTV.Browse(server, null);
ShowDialog();
}
/// <summary>
/// Prompts the user to select an item and specify trend properties.
/// </summary>
public TsCHdaResultCollection[] ShowDialog(TsCHdaServer server, RequestType type, bool synchronous)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
m_server = server;
m_type = type;
m_synchronous = synchronous;
m_singleItem = true;
m_results = null;
// create new trend.
m_trend = new TsCHdaTrend(m_server);
// set reasonable defaults.
m_trend.StartTime = new TsCHdaTime("YEAR");
m_trend.EndTime = new TsCHdaTime("YEAR+1H");
BrowseCTRL.Browse(m_server, null);
TrendItemsCTRL.Initialize(m_trend, false, null);
TrendCTRL.Initialize(m_trend, type);
ItemsCTRL.Initialize(null);
ResultsCTRL.Initialize(m_server, null);
AsyncResultsCTRL.Initialize(m_server, null);
// update dialog state.
SetState();
// show dialog.
bool result = (ShowDialog() == DialogResult.OK);
// release item handles.
m_trend.ClearItems();
// return item values.
return(m_results);
}
/// <summary>
/// Prompts the user to select attributes to read for an item.
/// </summary>
public TsCHdaItemAttributeCollection ShowDialog(
TsCHdaServer server,
OpcItem item,
TsCHdaTime startTime,
TsCHdaTime endTime,
bool synchronous)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
m_server = server;
m_item = item;
m_fixedItem = item != null;
m_synchronous = synchronous;
m_results = null;
// create new trend.
m_trend = new TsCHdaTrend(m_server);
// set reasonable defaults.
m_trend.StartTime = startTime;
m_trend.EndTime = endTime;
BrowseCTRL.Browse(m_server, null);
TrendCTRL.Initialize(m_trend, RequestType.ReadAttributes);
AttributesCTRL.Initialize(m_server, null);
ResultsCTRL.Initialize(m_server, m_results);
AsyncResultsCTRL.Initialize(m_server, null);
// update dialog state.
SetState();
// show dialog.
bool result = (ShowDialog() == DialogResult.OK);
// release item handles.
m_trend.ClearItems();
// return item values.
return((result)?m_results:null);
}
/// <summary>
/// Prompts the user to specify values to insert for an item.
/// </summary>
public bool ShowDialog(TsCHdaServer server, OpcItem item, bool replace, bool synchronous)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
m_server = server;
m_replace = replace;
m_synchronous = synchronous;
m_item = item;
m_values = null;
m_results = null;
// create new trend.
m_trend = new TsCHdaTrend(m_server);
// set reasonable defaults.
m_trend.StartTime = new TsCHdaTime("YEAR");
m_trend.EndTime = new TsCHdaTime("YEAR+1H");
BrowseCTRL.Browse(m_server, null);
ValuesCTRL.Initialize(m_server, null);
ResultsCTRL.Initialize(m_server, m_values, m_results);
AsyncResultsCTRL.Initialize(m_server, null);
// update dialog state.
SetState();
// show dialog.
bool result = (ShowDialog() == DialogResult.OK);
// release item handles.
m_trend.ClearItems();
// return dialog result.
return(result);
}
