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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

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.