FILE_COMPLETION_INFORMATION - NtDoc

#ifndef _NTIOAPI_H

/**
 * The FILE_COMPLETION_INFORMATION structure contains the port handle and key for an I/O completion port created for a file handle.
 *
 * \remarks he FILE_COMPLETION_INFORMATION structure is used to replace the completion information for a port handle set in Port.
 * Completion information is replaced with the ZwSetInformationFile routine with the FileInformationClass parameter set to FileReplaceCompletionInformation.
 * The Port and Key members of FILE_COMPLETION_INFORMATION are set to their new values. To remove an existing completion port for a file handle, Port is set to NULL.
 *
 * https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/ntifs/ns-ntifs-_file_completion_information
 */
typedef struct _FILE_COMPLETION_INFORMATION
{
    HANDLE Port;
    PVOID Key;
} FILE_COMPLETION_INFORMATION, *PFILE_COMPLETION_INFORMATION;

#endif
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