SizeChangedEventHandler Delegate

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Represents the method that will handle the SizeChanged event.

Namespace:  System.Windows
Assembly:  System.Windows (in System.Windows.dll)


Public Delegate Sub SizeChangedEventHandler ( _
    sender As Object, _
    e As SizeChangedEventArgs _
public delegate void SizeChangedEventHandler(
    Object sender,
    SizeChangedEventArgs e


  • sender
    Type: System.Object
    The object where the event handler is attached.


The SizeChanged event uses specialized event data derived from RoutedEventArgs. However, this event does not route in Silverlight. The RoutedEventArgs event data type is used here to maintain compatibility with the WPF implementation of the FrameworkElement.SizeChanged event.

Version Information


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.

See Also