DosSetDefaultDisk - Parameters

disknum (ULONG) - input

New default-drive number.

The value 1 means drive A, 2 means drive B, 3 means drive C, and so on. The maximum possible value is 26, which corresponds to drive Z. Values outside this range will cause an error.

ulrc (APIRET) - returns

Return Code.

DosSetDefaultDisk returns one of the following values:

• NO_ERROR 15
  ERROR_INVALID_DRIVE
  For a full list of error codes, see Errors.

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