ToggleButton.IsThreeState Property

Determines whether the control supports two or three states. This is a dependency property.

Namespace:  System.Windows.Controls.Primitives
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public function get IsThreeState () : boolean 
public function set IsThreeState (value : boolean)
<object IsThreeState="bool" .../>

Property Value

Type: System.Boolean
true if the control supports three states; otherwise, false. The default is false.

Identifier field

IsThreeStateProperty

Metadata properties set to true

None

The IsChecked property can be set to a null reference (Nothing in Visual Basic) as a third state when IsThreeState is true.

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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