This type can be used only by trusted applications. If you try to use its members in a partial-trust application, your code will throw a MethodAccessException exception. This type is security-critical, which restricts its use.
Receives the error code, number of bytes, and overlapped value type when an I/O operation completes on the thread pool.
This API is not CLS-compliant.
Namespace:System.Threading Assembly:mscorlib (in mscorlib.dll)