Opened Event
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Popup.Opened Event

Occurs when the IsOpen property changes to true.

Namespace:  System.Windows.Controls.Primitives
Assembly:  PresentationFramework (in PresentationFramework.dll)

public event EventHandler Opened
<object Opened="EventHandler" .../>

A Popup is opened and closed by toggling the IsOpen property.

The following example shows how to define an event handler for the Opened event.

private void PopupOpening(object sender, EventArgs e)
    //Code to execute when Popup opens
  <Popup Opened="PopupOpening">
    <TextBlock Background="Yellow">Popup Text</TextBlock>

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

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