VisualTreeHelper.GetChildrenCount Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
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
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 nullNothingnullptra null reference (Nothing in Visual Basic), or is not a valid UIElement. |
Version Information
Windows Phone OS
Supported in: 8.1, 8.0, 7.1, 7.0
Platforms
Windows Phone