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PropertyMetadata.OnApply Method

Called when this metadata has been applied to a property, which indicates that the metadata is being sealed.

Namespace: System.Windows
Assembly: WindowsBase (in windowsbase.dll)

protected virtual void OnApply (
	DependencyProperty dp,
	Type targetType
protected void OnApply (
	DependencyProperty dp, 
	Type targetType
protected function OnApply (
	dp : DependencyProperty, 
	targetType : Type
You cannot use methods in XAML.



The dependency property to which the metadata has been applied.


The type associated with this metadata if this is type-specific metadata. If this is default metadata, this value is a null reference.

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).

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0