Microsoft Internet Security and Acceleration Server 2000


The IFWXExternalIOCompletion interface is the notification interface for Win32 input/output (I/O) operations for which the filter has a handle.

Methods in Vtable Order

IUnknown Methods Description
QueryInterface Returns pointers to supported interfaces.
AddRef Increments the reference count.
Release Decrements the reference count.

IFWXExternalIOCompletion Methods Description
CompleteAsyncIO Receives notifications from the firewall service when a Win32 I/O operation completes.


This interface is implemented by the application filter.


This interface is similar in function to the IFWXIOCompletion interface but is used to call or write to Win32 files asynchronously.


  Windows NT/2000: Requires Windows 2000.
  Version: Requires ISA Server 2000.
  Header: Wspfwext.idl.

See Also

IFWXFirewall::HookToCompletionPort, IFWXFirewall::CreateOverlapped, IFWXOverlapped