HandledEventArgs.Handled Property   
Definition
Important
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Gets or sets a value that indicates whether the event handler has completely handled the event or whether the system should continue its own processing.
public:
 property bool Handled { bool get(); void set(bool value); };public bool Handled { get; set; }member this.Handled : bool with get, setPublic Property Handled As BooleanProperty Value
true if the event has been completely handled; otherwise, false.