VisualTreeHelper.GetChild Method (System.Windows.Media)

.NET Framework Class Library for Silverlight

VisualTreeHelper..::.GetChild Method

Using the provided index, obtains a specific child object of the provided object by examining the visual tree.

Namespace: System.Windows.Media
Assembly: System.Windows (in System.Windows.dll)

Syntax

Visual Basic (Declaration)

Public Shared Function GetChild ( _
    reference As DependencyObject, _
    childIndex As Integer _
) As DependencyObject

Visual Basic (Usage)

Dim reference As DependencyObject
Dim childIndex As Integer
Dim returnValue As DependencyObject

returnValue = VisualTreeHelper.GetChild(reference, _
    childIndex)

public static DependencyObject GetChild(
    DependencyObject reference,
    int childIndex
)

Parameters

reference: Type: System.Windows..::.DependencyObject
The object that holds the child collection.

childIndex: Type: System..::.Int32
The index of the requested child object in the reference child collection.

Return Value

Type: System.Windows..::.DependencyObject
The child object as referenced by childIndex.

Exceptions

Exception	Condition
ArgumentOutOfRangeException	Specified an invalid child index.
InvalidOperationException	reference is nullNothingnullptra null reference (Nothing in Visual Basic), or is not a valid UIElement.

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Reference

VisualTreeHelper Class

VisualTreeHelper Members

System.Windows.Media Namespace