VisualTreeHelper.GetChildrenCount Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Returns the number of children that exists in an object's child collection in the visual tree.
Namespace: System.Windows.Media
Assembly: System.Windows (in System.Windows.dll)
Syntax
'Declaration
Public Shared Function GetChildrenCount ( _
reference As DependencyObject _
) As Integer
public static int GetChildrenCount(
DependencyObject reference
)
Parameters
- reference
Type: System.Windows.DependencyObject
The source visual.
Return Value
Type: System.Int32
The number of visual children for the provided source visual.
Exceptions
| Exception | Condition |
|---|---|
| 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.