Animation Using Key Frames. Freeze Core(Boolean) Method
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Makes this instance of StringAnimationUsingKeyFrames object unmodifiable or determines whether it can be made unmodifiable.
protected: override bool FreezeCore(bool isChecking);
protected override bool FreezeCore (bool isChecking);
override this.FreezeCore : bool -> bool
Protected Overrides Function FreezeCore (isChecking As Boolean) As Boolean
true to check if this instance can be frozen;
false to freeze this instance.
isChecking is true, this method returns
true if this instance can be made read-only, or
false if it cannot be made read-only. If
isChecking is false, this method returns
true if this instance is now read-only, or
false if it cannot be made read-only, with the side effect of having begun to change the frozen status of this object.