Quintiq file version 2.0
#parent: #root
Method InitializeDuration () id:Method_LibCal_dlgEvent_InitializeDuration
{
  #keys: '[131094.0.2033101498]'
  Body:
  [*
    sEvent         := dhEvent.Data();
    sParticipation := dhLeadingParticipation.Data();
    timezone       := TimeZone::UTCTimeZone();  // Use the UTC-timezone here, don't correct for a specific timezone.
    
    // Don't use AddAsPeriod here, the 'nett' duration should be calculated here.
    start    := sParticipation.StartDate().Add( timezone, sEvent.StartTimeOfDay() );
    end      := sParticipation.EndDate()  .Add( timezone, sEvent.EndTimeOfDay()   );
    duration := Duration::Zero();
      
    // Keep zero in case of negative duration (should not happen).
    if( end > start )
    {
      duration := end - start;
    }
    
    // Update the DataHolder, which will update the labels that show the duration.
    dhDuration.Data( duration );
  *]
}