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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
)
You cannot use methods in XAML.

Parameters

dp
Type: System.Windows.DependencyProperty

The dependency property to which the metadata has been applied.

targetType
Type: System.Type

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 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

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