expressappframework-devexpress-dot-expressapp-dot-conditionalappearance-dot-appearanceattribute-dot-underscore-properties.md
Applied to business classes and their properties. Declares a conditional appearance rule.
| Name | Description |
|---|---|
| AppearanceItemType | Specifies the type of UI elements affected by the conditional appearance rule created using this attribute. |
| BackColor | Specifies the background color of UI elements affected by the conditional appearance rule generated from this attribute instance. |
| Context | Specifies the Views representing the activity scope for the conditional appearance rule generated from the current attribute. |
| Criteria | Specifies the criteria string used when determining whether AppearanceAttribute.TargetItems should be affected by the conditional appearance rule generated from the current attribute. |
| Enabled | Specifies whether to enable UI elements affected by the conditional appearance rule generated from this attribute instance. |
| FontColor | Specifies the font color of AppearanceAttribute.TargetItems affected by the conditional appearance rule generated from this attribute instance. |
| FontStyle | Specifies the font style of AppearanceAttribute.TargetItems affected by the conditional appearance rule generated from this attribute instance. |
| Id | Specifies the unique identifier for the appearance rule created using the current attribute instance. |
| Method | Specifies the name of the business class method used to determine whether the Conditional Appearance rule generated from this attribute is currently active. |
| Priority | Specifies the priority of the conditional appearance rule generated from the current attribute instance. Used when several rules affect the same UI element. |
| TargetItems | Specifies the identifiers of UI elements affected by the conditional appearance rule. |
| TypeId | When implemented in a derived class, gets a unique identifier for this Attribute. Inherited from Attribute. |
| Visibility | Specifies the visibility of UI elements affected by the conditional appearance rule generated from this attribute instance. |
See Also