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ToggleButton.IsThreeState Property

.NET Framework 4

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

Syntax

C++

[BindableAttribute(true)]
public bool IsThreeState { get; set; }

XAML Attribute Usage

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

Property Value

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

Dependency Property Information

Identifier field	IsThreeStateProperty
Metadata properties set to true	None

Remarks

The IsChecked property can be set to null as a third state when IsThreeState is true.

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Reference

ToggleButton Class

System.Windows.Controls.Primitives Namespace

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