FrameworkContentElement.IsInitialized Property    
Definition
Important
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Gets a value indicating whether this element has been initialized, either by being loaded as Extensible Application Markup Language (XAML), or by explicitly having its EndInit() method called.
public:
 property bool IsInitialized { bool get(); };public bool IsInitialized { get; }member this.IsInitialized : boolPublic ReadOnly Property IsInitialized As BooleanProperty Value
true if the element is initialized per the aforementioned loading or method calls; otherwise, false.
Remarks
This property may also be true if this element has been moved within the element tree such that it has a new parent element, and therefore becomes reloaded again.