仅当当前用户具有PermissionString中定义的权限时，才有条件地呈现控件的内容到当前用户。
继承层次结构
System.Object
System.Web.UI.Control
System.Web.UI.WebControls.WebControl
Microsoft.SharePoint.WebControls.SPSecurityTrimmedControl
Microsoft.SharePoint.WebControls.SPLinkButton
命名空间： Microsoft.SharePoint.WebControls
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）
语法
声明
<AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
<AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
Public Class SPSecurityTrimmedControl _
Inherits WebControl _
Implements IDesignerEventAccessor
用法
Dim instance As SPSecurityTrimmedControl
[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class SPSecurityTrimmedControl : WebControl,
IDesignerEventAccessor
备注
允许条件显示的内容，具体取决于用户的权限。内容可以是任何 HTML 代码或其他控件。SPSecurityTrimmedControl 的一个用途是隐藏网站操作菜单和发布控制台从匿名用户：
示例
<SharePoint:SPSecurityTrimmedControl ID=”SPSecurityTrimmedControl1″
PermissionsString=”BrowseDirectories” runat=”server”>
<PublishingSiteAction:SiteActionMenu runat=”server” />
<wssuc:Welcome id=”explitLogout” runat=”server” />
<PublishingWebControls:AuthoringContainer ID=”authoringcontrols”
runat=”server”>
<PublishingConsole:Console runat=”server” />
</PublishingWebControls:AuthoringContainer>
</SharePoint:SPSecurityTrimmedControl>
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。