Metoden ClockController.Seek blev kaldt ved hjælp af TimeSeekOrigin.Duration som seekOrigin-parameter for et Clock med varigheden Forever. Clocks med varigheden Forever skal anvende TimeSeekOrigin.BeginTime.

The ClockController.Seek method was called using TimeSeekOrigin.Duration as the seekOrigin parameter for a Clock that has a duration of Forever. Clocks that have duration of Forever must use TimeSeekOrigin.BeginTime.