Base class for SignIn control
命名空间: Microsoft.IdentityModel.Web.Controls
程序集: Microsoft.IdentityModel（microsoft.identitymodel.dll 中）
用法
Dim instance As SignInControl
语法
声明
Public MustInherit Class SignInControl
Inherits CompositeControl
public abstract class SignInControl : CompositeControl
public ref class SignInControl abstract : public CompositeControl
public abstract class SignInControl extends CompositeControl
public abstract class SignInControl extends CompositeControl
继承层次结构
System.Object
System.Web.UI.Control
System.Web.UI.WebControls.WebControl
System.Web.UI.WebControls.CompositeControl
Microsoft.IdentityModel.Web.Controls.SignInControl
Microsoft.IdentityModel.Web.Controls.FederatedPassiveSignIn
线程安全
此类型的任何公共静态（在 Visual Basic 中为 Shared）成员都是线程安全的。但不能保证任何实例成员是线程安全的。
平台
开发平台
Windows Server 2003, Windows Vista
Target Platforms
Windows Server 2008, Windows Vista, Not tested on Windows XP