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2085
Classes inheriting from DateTimeEntry are not used in Event Callbacks?
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I have a class that inherits from DateTimeEntry:

 

public class ConstraintDateTimeEntry : DateTimeEntry

 

I set a collection ObservableCollection<ConstraintDateTimeEntry> of these into the time line:

           

DateTimeSeries outageSeries = new DateTimeSeries();

outageSeries.Title ="Outage Periods";

outageSeries.DataSource = displayedOutageEntries;

outageSeries.DataMapping = "Time=Time;Duration=Duration;Title=Title;Details=Details";

outageSeries.Position = Position.TopOrLeft;

m_xamTimeline.Series.Add(outageSeries);

 

I have a right-click context menu setup on the DateTimeEvent's title that invokes an event callback with this logic:

 

ConstraintDateTimeEntry entry = ((menu.PlacementTargetResolved as Border).TemplatedParent as EventTitle).EventEntry as ConstraintDateTimeEntry;

 

This code results in a null "entry" variable because the type of the EventEntry property is DateTimeEntry, NOT ConstraintDateTimeEntry.  Why do I get a type I never added to the series/timeline and how to I get which ConstraintDateTimeEntry corresponds to the title clicked on?

 

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