/// <summary>
/// Creates an instance of <see cref="SubscribeMeasurements"/> class.
/// </summary>
/// <param name="itemsPerPage"></param>
/// <param name="autoSave"></param>
public SubscribeMeasurements(int itemsPerPage, bool autoSave = true)
: base(0, autoSave)
{
m_subscribedMeasurementsLock = new object();
m_authorizationQuery = new AuthorizedMeasurementsQuery();
m_authorizationQuery.AuthorizedMeasurements += m_authorizationQuery_AuthorizedMeasurements;
m_refreshTimer = new DispatcherTimer();
m_refreshTimer.Interval = TimeSpan.FromSeconds(5);
m_refreshTimer.Tick += m_refreshTimer_Tick;
Load();
}
/// <summary>
/// Handles unloading of the subscriber measurement view model.
/// </summary>
public void Unload()
{
if ((object)m_authorizationQuery != null)
{
m_authorizationQuery.AuthorizedMeasurements -= m_authorizationQuery_AuthorizedMeasurements;
m_authorizationQuery.Dispose();
}
m_authorizationQuery = null;
if (m_refreshTimer != null)
{
try
{
m_refreshTimer.Stop();
}
finally
{
m_refreshTimer = null;
}
}
}