ThreadPool.UnsafeQueueNativeOverlapped(NativeOverlapped*) 方法
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
重要
此 API 不符合 CLS。
对重叠的 I/O 操作进行排队以执行。
public:
static bool UnsafeQueueNativeOverlapped(System::Threading::NativeOverlapped* overlapped);[System.CLSCompliant(false)]
[System.Runtime.Versioning.SupportedOSPlatform("windows")]
public static bool UnsafeQueueNativeOverlapped(System.Threading.NativeOverlapped* overlapped);[System.CLSCompliant(false)]
public static bool UnsafeQueueNativeOverlapped(System.Threading.NativeOverlapped* overlapped);[System.CLSCompliant(false)]
[System.Security.SecurityCritical]
public static bool UnsafeQueueNativeOverlapped(System.Threading.NativeOverlapped* overlapped);[<System.CLSCompliant(false)>]
[<System.Runtime.Versioning.SupportedOSPlatform("windows")>]
static member UnsafeQueueNativeOverlapped : nativeptr<System.Threading.NativeOverlapped> -> bool[<System.CLSCompliant(false)>]
static member UnsafeQueueNativeOverlapped : nativeptr<System.Threading.NativeOverlapped> -> bool[<System.CLSCompliant(false)>]
[<System.Security.SecurityCritical>]
static member UnsafeQueueNativeOverlapped : nativeptr<System.Threading.NativeOverlapped> -> bool参数
- overlapped
- NativeOverlapped*
要 NativeOverlapped 排队的结构。
返回
true 如果操作已成功排队到 I/O 完成端口，则为 ;否则，为 false.
- 属性
注解
有关使用本机 Win32 重叠 I/O 的信息，请参阅 Overlapped Win32 平台 SDK 中的类、 NativeOverlapped 结构和 OVERLAPPED 结构。
Caution
UnsafeQueueNativeOverlapped使用该方法可能会无意中打开安全漏洞。 代码访问安全基于其权限检查堆栈上所有调用方的权限。 使用 UnsafeQueueNativeOverlapped线程池线程上的工作排队时，线程池线程的堆栈没有实际调用方的上下文。 恶意代码可能会利用此漏洞来避免权限检查。
