Requests that the host close a port that was opened through an earlier call to CreateIoCompletionPort.
HRESULT CloseIoCompletionPort ( [in] HANDLE hPort );
[in] The handle of the port to close.
|HOST_E_CLRNOTAVAILABLE||The common language runtime (CLR) has not been loaded into a process, or the CLR is in a state in which it cannot run managed code or process the call successfully.|
|HOST_E_TIMEOUT||The call timed out.|
|HOST_E_NOT_OWNER||The caller does not own the lock.|
|HOST_E_ABANDONED||An event was canceled while a blocked thread or fiber was waiting on it.|
|E_FAIL||An unknown catastrophic failure occurred. When a method returns E_FAIL, the CLR is no longer usable within the process. Subsequent calls to hosting methods return HOST_E_CLRNOTAVAILABLE.|
|E_INVALIDARG||An invalid port handle was passed.|
hPort must be a handle to a port that was created by an earlier call to
Platforms: See System Requirements.
Library: Included as a resource in MSCorEE.dll
.NET Framework Versions: Available since 2.0