Check twCapability.ConType returned by the driver. If it is TWON_RANGE, you need to cast hContainer into pTW_RANGE; if TWON_ENUMERATION, into pTW_ENUMERATION.
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Check twCapability.ConType returned by the driver. If it is TWON_RANGE, you need to cast hContainer into pTW_RANGE; if TWON_ENUMERATION, into pTW_ENUMERATION.