System.Web 2.0.0.0 System.Delegate System.Void To be added. To be added. The event is raised before a Web Parts control is added to a Web Parts zone. You can specify which Web Parts controls can be added to a zone by customizing how the event is handled. The method specified in the delegate is called when an event is raised. Page developers can provide custom handlers for Web Parts events by adding an OnAuthorizeWebPart attribute to the <asp:webpartmanager> element in a page, and assigning a custom method name to the attribute. A custom handler can also be assigned programmatically. For more information on programmatically assigning an event handler, see How to: Connect Event Handler Methods to Events.

Represents the method that handles the event of a object.