/// <summary>
/// Initializes the control with the time object.
/// </summary>
public void Set(TsCHdaTime value)
{
if (value == null)
{
TimeTypeCB.SelectedIndex = 1;
AbsoluteTimeCTRL.Value = AbsoluteTimeCTRL.MinDate;
TimeTypeCB.SelectedItem = TsCHdaRelativeTime.Now;
OffsetTB.Text = "";
}
else if (value.IsRelative)
{
TimeTypeCB.SelectedIndex = 1;
AbsoluteTimeCTRL.Value = AbsoluteTimeCTRL.MinDate;
TimeTypeCB.SelectedItem = value.BaseTime;
OffsetTB.Text = value.Offsets.ToString();
}
else
{
TimeTypeCB.SelectedIndex = 0;
AbsoluteTimeCTRL.Value = (value.AbsoluteTime < AbsoluteTimeCTRL.MinDate)?AbsoluteTimeCTRL.MinDate:value.AbsoluteTime;
TimeTypeCB.SelectedItem = Absolute;
OffsetTB.Text = "";
}
}
/// <summary>
/// Initializes the control with the time object.
/// </summary>
public void Set(TsCHdaTime value)
{
if (value == null)
{
timeTypeCb_.SelectedIndex = 1;
absoluteTimeCtrl_.Value = absoluteTimeCtrl_.MinDate;
timeTypeCb_.SelectedItem = TsCHdaRelativeTime.Now;
offsetTb_.Text = "";
}
else if (value.IsRelative)
{
timeTypeCb_.SelectedIndex = 1;
absoluteTimeCtrl_.Value = absoluteTimeCtrl_.MinDate;
timeTypeCb_.SelectedItem = value.BaseTime;
offsetTb_.Text = value.Offsets.ToString();
}
else
{
timeTypeCb_.SelectedIndex = 0;
absoluteTimeCtrl_.Value = (value.AbsoluteTime < absoluteTimeCtrl_.MinDate)?absoluteTimeCtrl_.MinDate:value.AbsoluteTime;
timeTypeCb_.SelectedItem = Absolute;
offsetTb_.Text = "";
}
}
/// <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 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");
}
mServer_ = server;
mItem_ = item;
mFixedItem_ = item != null;
mSynchronous_ = synchronous;
mResults_ = null;
// create new trend.
mTrend_ = new TsCHdaTrend(mServer_);
// set reasonable defaults.
mTrend_.StartTime = startTime;
mTrend_.EndTime = endTime;
browseCtrl_.Browse(mServer_, null);
trendCtrl_.Initialize(mTrend_, RequestType.ReadAttributes);
attributesCtrl_.Initialize(mServer_, null);
resultsCtrl_.Initialize(mServer_, mResults_);
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_:null);
}
/// <summary>
/// Converts a Technosoftware.DaAeHdaClient.Time object to a Technosoftware.DaAeHdaClient.Com.Hda.OPCHDA_TIME structure.
/// </summary>
internal static OpcRcw.Hda.OPCHDA_TIME GetTime(TsCHdaTime input)
{
OpcRcw.Hda.OPCHDA_TIME output = new OpcRcw.Hda.OPCHDA_TIME();
if (input != null)
{
output.ftTime = Convert(Technosoftware.DaAeHdaClient.Com.Interop.GetFILETIME(input.AbsoluteTime));
output.szTime = (input.IsRelative)?input.ToString():"";
output.bString = (input.IsRelative)?1:0;
}
// create a null value for a time structure.
else
{
output.ftTime = Convert(Technosoftware.DaAeHdaClient.Com.Interop.GetFILETIME(DateTime.MinValue));
output.szTime = "";
output.bString = 1;
}
return(output);
}
/// <summary>
/// Creates a Time object from the current contents of the controls.
/// </summary>
public TsCHdaTime Get()
{
TsCHdaTime time = new TsCHdaTime();
if (timeTypeCb_.SelectedItem == (object)Absolute)
{
if (absoluteTimeCtrl_.Value > absoluteTimeCtrl_.MinDate)
{
time.AbsoluteTime = absoluteTimeCtrl_.Value;
}
else
{
time.AbsoluteTime = DateTime.MinValue;
}
}
else
{
time.BaseTime = (TsCHdaRelativeTime)timeTypeCb_.SelectedItem;
time.Offsets.Parse(offsetTb_.Text);
}
return(time);
}
/// <summary>
/// Creates a Time object from the current contents of the controls.
/// </summary>
public TsCHdaTime Get()
{
TsCHdaTime time = new TsCHdaTime();
if (TimeTypeCB.SelectedItem == (object)Absolute)
{
if (AbsoluteTimeCTRL.Value > AbsoluteTimeCTRL.MinDate)
{
time.AbsoluteTime = AbsoluteTimeCTRL.Value;
}
else
{
time.AbsoluteTime = DateTime.MinValue;
}
}
else
{
time.BaseTime = (TsCHdaRelativeTime)TimeTypeCB.SelectedItem;
time.Offsets.Parse(OffsetTB.Text);
}
return(time);
}
