PropertyMetadata.OnApply(DependencyProperty, Type) Method
Definition
Important
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Called when this metadata has been applied to a property, which indicates that the metadata is being sealed.
protected:
virtual void OnApply(System::Windows::DependencyProperty ^ dp, Type ^ targetType);protected virtual void OnApply (System.Windows.DependencyProperty dp, Type targetType);abstract member OnApply : System.Windows.DependencyProperty * Type -> unit
override this.OnApply : System.Windows.DependencyProperty * Type -> unitProtected Overridable Sub OnApply (dp As DependencyProperty, targetType As Type)Parameters
The dependency property to which the metadata has been applied.
- targetType
- Type
The type associated with this metadata if this is type-specific metadata. If this is default metadata, this value is a null reference.
Remarks
Subclasses should assure that any mutability of the data structure of a PropertyMetadata subclass should be marked as immutable once OnApply is called. This will be called once the metadata is applied to a property system operation (register, add owner, override metadata).
