/// <summary>
/// Processes the response to the InstrumentInfo command.
/// </summary>
/// <param name="instrumentInfoResponse">Command response data.</param>
private void ProcessInstrumentInfoResponse(XElement instrumentInfoResponse)
{
//Expected response
//<InstrumentInfo>
// <field Label="...">...</field>
// ...
//</InstrumentInfo>
using (InstrumentInfo.AcquireLock())
{
InstrumentInfo.Clear();
foreach (var fieldElement in instrumentInfoResponse.Elements("field", StringComparison.InvariantCultureIgnoreCase))
{
var label = FindAttribute(fieldElement, "Label").Value;
InstrumentInfo.Add(new InstrumentInfoElement(label, fieldElement.Value));
if (string.Compare(label, "Options", true) == 0)
{
Options = fieldElement.Value;
}
else if (string.Compare(label, "Family", true) == 0)
{
Family = fieldElement.Value;
}
}
}
}
/// <summary>
/// Processes the response to the InstrumentInfo command.
/// </summary>
/// <param name="instrumentInfoResponse">Command response data.</param>
private void ProcessInstrumentInfoResponse(XElement instrumentInfoResponse)
{
//Expected response
//<InstrumentInfo>
// <field Label="...">...</field>
// ...
//</InstrumentInfo>
using (InstrumentInfo.AcquireLock())
{
InstrumentInfo.Clear();
foreach (var fieldElement in instrumentInfoResponse.Elements("field"))
{
InstrumentInfo.Add(new InstrumentInfoElement(fieldElement.Attribute("label").Value, fieldElement.Value));
if (fieldElement.Attribute("label").Value == "Options")
{
Options = fieldElement.Value;
}
}
}
}
/// <summary>
/// Called when a property change notification is raised on this view model. This view model
/// uses this method to monitor when the Connected property is changed. This logic could have
/// been placed in the Connected property setter, but putting it here keeps the property setter simple.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="e">Event arguments.</param>
void ConnectionViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == "Connected")
{
LoggedOn = false;
LogOnResult = String.Empty;
if (Connected)
{
//We have become connected, so send a to get general information about
//the instrument we have connected to. These commands can be executed without
//first executing a Logon command.
SendData(new SendDataEventArgs(_versionCommandDocument.ToString(), this));
SendData(new SendDataEventArgs(_supportedCulturesCommandDocument.ToString(), this));
SendData(new SendDataEventArgs(_instrumentInfoCommandDocument.ToString(), this));
}
else
{
//We have become disconnected, so clear out our data.
InstrumentVersion = String.Empty;
ProtocolVersion = String.Empty;
SelectedLanguage = null;
Options = String.Empty;
Family = string.Empty;
using (SupportedCultures.AcquireLock())
{
SupportedCultures.Clear();
}
using (InstrumentInfo.AcquireLock())
{
InstrumentInfo.Clear();
}
}
}
}