VisualTreeHelper.GetChild Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
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
'Declaration
Public Shared Function GetChild ( _
reference As DependencyObject, _
childIndex As Integer _
) As DependencyObject
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 nulla null reference (Nothing in Visual Basic), or is not a valid UIElement. |
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.