<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />
System.Threading.IOCompletionCallback
namespace System.
Threading
{
[
CLSCompliant(
false)]
public unsafe delegate void IOCompletionCallback (
uint errorCode,
uint numBytes,
NativeOverlapped*
pOVERLAP);
}