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WebPartCancelEventHandler Delegate

Represents the method that will handle the SelectedWebPartChanging event, WebPartClosing event, or WebPartDeleting event of the WebPartManager class.

Namespace:  System.Web.UI.WebControls.WebParts
Assembly:  System.Web (in System.Web.dll)

public delegate void WebPartCancelEventHandler(
	Object sender,
	WebPartCancelEventArgs e
)

Parameters

sender
Type: System.Object

The source of the event.

e
Type: System.Web.UI.WebControls.WebParts.WebPartCancelEventArgs

A WebPartCancelEventArgs that contains the event data.

The method specified in the WebPartCancelEventHandler delegate is called when a SelectedWebPartChanging event, WebPartClosing event, or WebPartDeleting event is raised.

Page developers can provide custom handlers for Web Parts events by adding an OnSelectedWebPartChanging attribute, OnWebPartClosing attribute, or OnWebPartDeleting 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.

.NET Framework

Supported in: 4.6, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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