AppearanceAttribute.Enabled Property
Specifies whether to enable UI elements affected by the conditional appearance rule generated from this attribute instance.
Namespace: DevExpress.ExpressApp.ConditionalAppearance
Assembly: DevExpress.Persistent.Base.v21.2.dll
NuGet Package: DevExpress.Persistent.Base
Declaration
Property Value
Type | Description |
---|---|
Boolean | true, if UI elements affected by the conditional appearance rule must be enabled; otherwise, false. |
Remarks
The following UI elements can be made disabled/enabled:
- Data cells in a GridListEditor and ASPxGridListEditor when switching to the inline editing mode
- Property Editors that are inherited from the PropertyEditor class.
- Actions
You can find many examples in the Declare Conditional Appearance Rules in Code topic. See these examples in the Feature Center demo installed with the eXpressApp Framework in the %PUBLIC%\Documents\DevExpress Demos 21.2\Components\eXpressApp Framework\FeatureCenter folder, or refer to the Feature Center demo online.
The example below demonstrates how to disable the NickName property editor in the Contact Detail View.
using System;
using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Actions;
using DevExpress.Persistent.Base;
using DevExpress.Persistent.BaseImpl;
// ...
public class Contact : Person, IMapsMarker {
// ...
[Appearance("NickNameDisabled", Context = "Contact_DetailView", AppearanceItemType = "ViewItem", Enabled = false)]
public string NickName {
get {
return nickName;
}
set {
SetPropertyValue(nameof(NickName), ref nickName, value);
}
}
}