SaveBeforeNavigateHandler 类
添加到页面，导致中是否要保存该页面的控件的编辑模式和用户尝试导航其他页面。
继承层次结构
System.Object
System.Web.UI.Control
System.Web.UI.WebControls.WebControl
Microsoft.SharePoint.WebControls.SPRibbonCommandHandler
Microsoft.SharePoint.WebControls.SaveBeforeNavigateHandler
命名空间： Microsoft.SharePoint.WebControls
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）
语法
声明
<AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
<AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class SaveBeforeNavigateHandler _
Inherits SPRibbonCommandHandler _
Implements ICallbackEventHandler
用法
Dim instance As SaveBeforeNavigateHandler
[AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class SaveBeforeNavigateHandler : SPRibbonCommandHandler,
ICallbackEventHandler
线程安全性
该类型的任何公共 静态 (已共享 在 Visual Basic 中) 成员都是线程安全的。不保证任何实例成员都是线程安全的。