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     CheckEdit Members
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   [Expand]CheckedListBoxControl Class
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 End-User Documentation

CheckEdit.Checked Property

Gets or sets whether the check editor is in the checked state.

Namespace:DevExpress.XtraEditors
Assembly:DevExpress.XtraEditors.v17.2.dll

Expanded Syntax

Property value

Type: Boolean
true if the editor is checked; otherwise, false.
The default is false.

Expanded Remarks

Typically, you use the Checked property to specify the editor's check state when the RepositoryItemCheckEdit.AllowGrayed setting is disabled. In this mode, the editor only supports the checked and unchecked states, which correspond to the Checked property being set to true and false, respectively.

To specify a check state in three-state mode (checked, unchecked and indeterminate), use the CheckState property instead.

In three-state mode, if the CheckState property value is CheckState.Indeterminate, the Checked property returns true.

In the CheckEdit control, each check state is associated with a certain value (by default, the checked and unchecked states are associated with true and false; the indeterminate state is associated with null). When you modify the check state, the control's edit value (EditValue) is set to a corresponding value, and vice versa. See the EditValue topic to learn more.

Expanded Example

This example demonstrates how to programmatically create two check editors, initialize their properties and assign the same handler for their CheckedChanged events. The created check editors will be used to control the visibility and availability of a standard button control. The example implies that the button is already placed onto a form.

Changing the check state of the first check editor affects both the button's visibility and the second check editor's availability. The second check editor specifies the availability of the button for end-users.

The image below displays the example application.

Expanded See Also

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