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 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

TreeListOptionsBehavior.AllowIndeterminateCheckState Property

Gets or sets whether an end-user can switch a node to the indeterminate check state with a mouse click.

Namespace:DevExpress.XtraTreeList
Assembly:DevExpress.XtraTreeList.v19.1.dll

Expanded Syntax

Property value

Type: Boolean
true, if an end-user can switch a node to the indeterminate check state; otherwise, false.
The default is false.

Expanded Remarks

An end-user can switch node states by clicking the check box. If the AllowIndeterminateCheckState property is disabled, a click on the check box changes the node's state between checked and unchecked. If the AllowIndeterminateCheckState property's value is true, successive clicks on the check box switch between three states: checked, unchecked and indeterminate.

Regardless of the AllowIndeterminateCheckState, you can apply the interderminate state to a node in code, using the TreeListNode.CheckState property.

To learn how to enable the node checking feature, see Node Checking - Checkboxes and Radio Buttons.

Expanded See Also

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