corelibraries-devexpress-dot-data-dot-utils-dot-registryaccesspolicy-62a40198.md
Fires when the DevExpress control attempts to delete a value from a system registry key and allows you to cancel the operation.
Namespace : DevExpress.Data.Utils
Assembly : DevExpress.Data.Desktop.v25.2.dll
NuGet Packages : DevExpress.Data.Desktop, DevExpress.ExpressApp.Win.Design
public static event EventHandler<RegistryAccessPolicy.ValueEventArgs> DeleteValue
Public Shared Event DeleteValue As EventHandler(Of RegistryAccessPolicy.ValueEventArgs)
The DeleteValue event's data class is RegistryAccessPolicy.ValueEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Cancel | Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs. |
| Hive | Gets a registry hive (a logical group of keys, subkeys, and values in the registry). Inherited from RegistryAccessPolicy.RegistryOperationBaseEventArgs. |
| Key | Gets the requested registry key. Inherited from RegistryAccessPolicy.RegistryOperationBaseEventArgs. |
| Name | Gets the name of the value stored in a registry key. |
| Operation | Gets an operation on a key value in the system registry. |
Set the e.Cancel event parameter to true to cancel the operation. e.Hive, e.Key, and e.Name event parameters identify a registry hive, key, and name respectively.
Read the following topic for additional information: Registry Access Policy.
See Also