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VisualTreeHelper.GetChildrenCount Method

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)

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.

ExceptionCondition
InvalidOperationException

reference is null, or is not a valid UIElement.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

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

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