`TCustomVariantType`
pt		QueryInterface
pt		_AddRef
pt		_Release
pt		SimplisticClear
pt		SimplisticCopy
pt		RaiseInvalidOp
pt		RaiseCastError
pt		RaiseDispError
pt		LeftPromotion
pt		RightPromotion
pt		OlePromotion
pt		DispInvoke
pt		VarDataInit
pt		VarDataClear
pt		VarDataCopy
pt		VarDataCopyNoInd
pt		VarDataCast
pt		VarDataCastTo
pt		VarDataCastToOleStr
pt		VarDataFromStr
pt		VarDataFromOleStr
pt		VarDataToStr
pt		VarDataIsEmptyParam
pt		VarDataIsByRef
pt		VarDataIsArray
pt		VarDataIsOrdinal
pt		VarDataIsFloat
pt		VarDataIsNumeric
pt		VarDataIsStr
		Create
		Destroy
		IsClear
		Cast
		CastTo
		CastToOle
		Clear
		Copy
		BinaryOp
		UnaryOp
		CompareOp
		Compare