GetDescendantFromType<T>(DependencyObject,Boolean,DependencyObjectSearchCallback<T>) Method

Get a descendant parent based on its type.

Syntax

Visual Basic

'Declaration
 
Public Overloads Shared Function GetDescendantFromType(Of T As DependencyObject)( _
   ByVal parent As DependencyObject, _
   ByVal allowSubclassOfType As Boolean, _
   ByVal callback As Utilities.DependencyObjectSearchCallback(Of T) _
) As T

C#

public static T GetDescendantFromType<T>( 
   DependencyObject parent,
   bool allowSubclassOfType,
   Utilities.DependencyObjectSearchCallback<T> callback
)
where T: DependencyObject

Parameters

parent

DependencyObject whose descendants are to be searched.

allowSubclassOfType

True if subclasses of type may be considered.

callback

Delegate that should be invoked when a potential match is located. Return false from the callback to indicate that the object is not a match and that the search should be continued. Otherwise return true to indicate that the specified object should be returned from the method.

Type Parameters

T

Return Value

A descendant parent of the specified type or null if not found.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2