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.
Assembly: mscorlib (in mscorlib.dll)
[SecurityCriticalAttribute] [CLSCompliantAttribute(false)] [ComVisibleAttribute(true)] public unsafe delegate void IOCompletionCallback( uint errorCode, uint numBytes, NativeOverlapped* pOVERLAP )
Requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.
Available since 10
Available since 1.1
Available since 2.0
Windows Phone Silverlight
Available since 7.0