VARIANT_BOOL SSR_DeleteEnrollDataExt([in]LONG dwMachineNumber, [in] BSTR dwEnrollNumber, [in] LONG dwBackupNumber)
Delete registration data. The difference between this function and SSR_DeleteEnrollData is that this function can delete all fingerprints. This function achieves a higher efficiency
dwMachineNumber Device number
dwEnrollNumber User ID
dwBackupNumber Index of the fingerprint The value ranges from 0 to 9. It this case, the device also checks whether the user has other fingerprints or passwords. If no, the device deletes the user. When the value is 0, the device deletes the password. The device also checks whether the user has fingerprint data. If no, the device deletes the user.
When the value is 11 or 13, the device deletes all fingerprint data of the user. When the value is 12, the device deletes the user (including all fingerprints, card numbers and passwords of the user).
SSR_SetUserInfo, SSR_SetUserTmp, SSR_DeleteEnrollData