togglebutton_isthreestate.md

-api-id	-api-type
P:Microsoft.UI.Xaml.Controls.Primitives.ToggleButton.IsThreeState	winrt property

Microsoft.UI.Xaml.Controls.Primitives.ToggleButton.IsThreeState

-description

Gets or sets a value that indicates whether the control supports three states.

-xaml-syntax

<togglebutton IsThreeState="bool"/>

-xaml-values

togglebutton

togglebuttonA literal ToggleButton, or a derived type such as CheckBox or RadioButton.

## -property-value **True** if the control supports three states; otherwise, **false**. The default is **false**.

-remarks

ToggleButton and can have three states:

State	Property	Value
checked	IsChecked	true
unchecked	IsChecked	false
indeterminate	IsChecked	null

For the ToggleButton to report the indeterminate state, you must set the IsThreeState property to true.

Note

ToggleButton has the same visual state for the indeterminate and unchecked states. Derived controls, like CheckBox, may define different visual states for each state.

-examples

-see-also