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Occurs when the Freezable or an object it contains is modified.
public: event EventHandler ^ Changed;
public event EventHandler Changed;
member this.Changed : EventHandler
Public Custom Event Changed As EventHandler
An attempt was made to modify the
Changed handler of a value with
IsFrozen == true.
If you attempt to add or remove event handlers when the current object is not modifiable (when the IsFrozen property is
true), an exception is thrown.