The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

Expander.IsExpanded Property

Gets or sets whether the Expander content window is visible.

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

public bool IsExpanded { get; set; }
/** @property */
public boolean get_IsExpanded ()

/** @property */
public void set_IsExpanded (boolean value)

public function get IsExpanded () : boolean

public function set IsExpanded (value : boolean)

<object IsExpanded="bool" .../>

Property Value

true if the content window is expanded; otherwise, false. The default value is false.

The following example shows how to set the IsExpanded property.

<Expander Name ="myExpanderIsExpanded" IsExpanded="True"  
          Header ="expanderTitle" Content="expanderContent"/>

myExpanderIsExpanded.IsExpanded = true;

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0
Was this page helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

© 2015 Microsoft