ClockViewModel

Gets or sets whether the clock can animate. See Clock#canAnimate. This property is observable.

Gets the underlying Clock.

Gets or sets the clock range setting. See Clock#clockRange. This property is observable.

Gets or sets the clock step setting. See Clock#clockStep. This property is observable.

Gets or sets the current time. See Clock#currentTime. This property is observable.

Gets or sets the clock multiplier. See Clock#multiplier. This property is observable.

Gets or sets whether the clock should animate. See Clock#shouldAnimate. This property is observable.

Gets or sets the start time of the clock. See Clock#startTime. This property is observable.

Gets or sets the stop time of the clock. See Clock#stopTime. This property is observable.

Gets the current system time. This property is observable.

销毁视图模型。当不再需要视图模型时，应调用此函数来正确清理视图模型.

Updates the view model with the contents of the underlying clock. Can be called to force an update of the viewModel if the underlying clock has changed and Clock.tick has not yet been called.