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GetTapeParameters The GetTapeParameters function retrieves information that describes the tape or the tape drive.
VB4-32,5,6
Declare Function GetTapeParameters Lib "kernel32" Alias "GetTapeParameters" (ByVal hDevice As Long, ByVal dwOperation As Long, lpdwSize As Long, lpTapeInformation As Any) As Long |
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Operating Systems Supported |
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Requires Windows NT 3.1 or later; Win9x/ME: Not supported |
- hDevice
Identifies the device about which information is sought. This handle is created by using the CreateFile function.
- dwOperation
Specifies the type of information requested. This parameter must be one of the following values:
GET_TAPE_MEDIA_INFORMATION
Retrieves information about the tape in the tape device.
GET_TAPE_DRIVE_INFORMATION
Retrieves information about the tape device.
- lpdwSize
Points to a variable that receives the size, in bytes, of the buffer specified by the lpTapeInformation parameter. If the buffer is too small, this parameter receives the required size.
- lpTapeInformation
Points to a structure that contains the requested information. If the dwOperation parameter is GET_TAPE_MEDIA_INFORMATION, lpTapeInformation points to a TAPE_GET_MEDIA_PARAMETERS structure.
If dwOperation is GET_TAPE_DRIVE_INFORMATION, lpTapeInformation points to a TAPE_GET_DRIVE_PARAMETERS structure. |
If the function succeeds, the return value is NO_ERROR.
If the function fails, the return value is one of the following error codes:
ERROR_BEGINNING_OF_MEDIA
An attempt to access data before the beginning-of-medium marker failed.
ERROR_BUS_RESET
A reset condition was detected on the bus.
ERROR_END_OF_MEDIA
The end-of-tape marker was reached during an operation.
ERROR_FILEMARK_DETECTED
A filemark was reached during an operation.
ERROR_SETMARK_DETECTED
A setmark was reached during an operation.
ERROR_NO_DATA_DETECTED
The end-of-data marker was reached during an operation.
ERROR_PARTITION_FAILURE
The tape could not be partitioned.
ERROR_INVALID_BLOCK_LENGTH
The block size is incorrect on a new tape in a multivolume partition.
ERROR_DEVICE_NOT_PARTITIONED
The partition information could not be found when a tape was being loaded.
ERROR_MEDIA_CHANGED
The tape that was in the drive has been replaced or removed.
ERROR_NO_MEDIA_IN_DRIVE
There is no media in the drive.
ERROR_NOT_SUPPORTED
The tape driver does not support a requested function.
ERROR_UNABLE_TO_LOCK_MEDIA
An attempt to lock the ejection mechanism failed.
ERROR_UNABLE_TO_UNLOAD_MEDIA
An attempt to unload the tape failed.
ERROR_WRITE_PROTECT
The media is write protected. |
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