FMX.StdActns.TCustomValueRange Events

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InheritedProtected

AfterChange	public	This event is fired after a value of any ValueRange property has changed, but only if Tracking = True.
BeforeChange	public	This event is fired before new values of the ValueRange properties become effective.
OnChanged	public	This event is fired after a value of any ValueRange property has changed.
OnTrackingChange	public	This event is fired after a value of the Tracking property has changed, independently from UpdateCount.