Gets the current progress of this Clock within its current iteration.
Assembly: PresentationCore (in PresentationCore.dll)
Property ValueType: System.Nullable<Double>
null if this clock is Stopped, or 0.0 if this clock is active and its Timeline has a Duration of Forever; otherwise, a value between 0.0 and 1.0 that indicates the current progress of this Clock within its current iteration. A value of 0.0 indicates no progress, and a value of 1.0 indicates that the clock is at the end of its current iteration.
A clock that is Filling has a of 1.0.
Using a Timeline as a Timer