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SubmitNtmsOperatorRequestA function (ntmsapi.h)

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[Removable Storage Manager is no longer available as of Windows 7 and Windows Server 2008 R2.]

The SubmitNtmsOperatorRequest function submits an RSM operator request.

Syntax

DWORD SubmitNtmsOperatorRequestA(
  [in]  HANDLE      hSession,
  [in]  DWORD       dwRequest,
  [in]  LPCSTR      lpMessage,
  [in]  LPNTMS_GUID lpArg1Id,
  [in]  LPNTMS_GUID lpArg2Id,
  [out] LPNTMS_GUID lpRequestId
);

Parameters

[in] hSession

Handle to the session returned by the OpenNtmsSession function.

[in] dwRequest

Type of operator request. This parameter can be one of the following values.

Value Meaning
NTMS_OPREQ_CLEANER
 RSM sends an operator request to insert a cleaner when a clean operation is queued and no cleaner is available to the drive. The lpArg1Id parameter can be either a library or slot identifier.

Requires NTMS_CONTROL_ACCESS to the library.

Windows XP:  No access rights are required.
NTMS_OPREQ_DEVICESERVICE
 An application or RSM sends an operator request for drive service when a changer device or drive is experiencing problems. The lpArg1Id parameter specifies the device that needs service. This parameter can be an iedoor, library, physical media, or drive identifier.

Requires NTMS_CONTROL_ACCESS to the library.

Windows XP:  No access rights are required.
NTMS_OPREQ_MESSAGE
 Application message only.

Requires NTMS_USE_ACCESS to the computer.

Windows XP:  No access rights are required.
NTMS_OPREQ_MOVEMEDIA
 An application or RSM sends an operator request to move media from one library to another for a mount of offline media or to eject existing media to the offline library. The lpArg1Id parameter specifies the piece of physical media that must be moved and the lpArg2Id parameter specifies the target library.

Requires NTMS_CONTROL_ACCESS to the media pool.

Windows XP:  No access rights are required.
NTMS_OPREQ_NEWMEDIA
 An application or RSM sends an operator request for new media when no media is available. The lpArg1Id parameter specifies the media pool object and the lpArg2Id parameter is the optional library identifier to which to add the new medium.

Requires NTMS_CONTROL_ACCESS to the media pool.

Windows XP:  No access rights are required.

[in] lpMessage

Optional message string to be sent to the user.

[in] lpArg1Id

Object identifier for the operator request. Refer to the descriptions of the values in the dwRequest parameter for a description of what type of object must be passed for this parameter.

[in] lpArg2Id

Object identifier for the operator request. Refer to the descriptions of the values in the dwRequest parameter for details on what type of object must be passed for this parameter.

[out] lpRequestId

Pointer to a buffer that receives the identifier of the operator request that was created.

Return value

This function returns one of the following values.

Value Meaning
ERROR_ACCESS_DENIED
 Access to one or more RSM objects is denied.
ERROR_DATABASE_FAILURE
 The database query or update failed.
ERROR_INVALID_HANDLE
 The value specified in the hSession parameter is NULL or is not valid.
ERROR_INVALID_PARAMETER
 One of the parameter values is not valid.
ERROR_NOT_CONNECTED
 Unable to connect to the RSM service.
ERROR_OBJECT_NOT_FOUND
 Unable to find the source or destination object.
ERROR_SUCCESS
 The function was successful.

Remarks

The SubmitNtmsOperatorRequest function submits an operator request and returns the status of the request (Satisfied or Canceled) or times out (if the operator does not act upon the request). Operator requests are used to request media, to request that the specified medium be moved from one library to another, or to request RSM device service.

The NTMS_OPEREQ_MESSAGE value (in the dwRequest parameter) is the request type most often used by applications. RSM cannot use NTMS_OPEREQ_MESSAGE. RSM uses the other request types as needed.

Note

The ntmsapi.h header defines SubmitNtmsOperatorRequest as an alias that automatically selects the ANSI or Unicode version of this function based on the definition of the UNICODE preprocessor constant. Mixing usage of the encoding-neutral alias with code that is not encoding-neutral can lead to mismatches that result in compilation or runtime errors. For more information, see Conventions for Function Prototypes.

Requirements

Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header ntmsapi.h
Library Ntmsapi.lib
DLL Ntmsapi.dll

See also

AllocateNtmsMedia

CancelNtmsOperatorRequest

MountNtmsMedia

Operator Request Functions

SatisfyNtmsOperatorRequest

WaitForNtmsOperatorRequest