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ToggleButton.IsThreeState Property

Determines whether the control supports two or three states.

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

[BindableAttribute(true)]
public bool IsThreeState { get; set; }
<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 null as a third state when IsThreeState is true.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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