TreeListSettings.FilterControlOperationVisibility Property
Enables you to dynamically hide operation items (such as the Equals, Contains, etc.) of the FilterControl’s operation dropdown menu.
Namespace: DevExpress.Web.Mvc
Assembly: DevExpress.Web.Mvc5.v24.2.dll
Declaration
public FilterControlOperationVisibilityEventHandler FilterControlOperationVisibility { get; set; }Property Value
| Type | Description |
|---|---|
| FilterControlOperationVisibilityEventHandler | A FilterControlOperationVisibilityEventHandler delegate method allowing you to implement custom processing. |
Remarks
The FilterControlOperationVisibility event is raised for each comparison operator, and allows you to dynamically control its visibility.
The event parameter’s FilterControlOperationVisibilityEventArgs.PropertyInfo and the FilterControlOperationVisibilityEventArgs.Operation properties identify the filterable property (the column being filtered) and its operations. To specify the operator’s visibility, use the FilterControlOperationVisibilityEventArgs.Visible property.