# Class TXQValueDateTimeHelper

Description
Hierarchy
Fields
Methods
Properties

## Unit

xquery.internals.protectionbreakers

## Declaration

`type TXQValueDateTimeHelper = class helper(TObject) for TXQValueDateTime`

## Description

## Hierarchy

- TObject
- TXQValueDateTimeHelper

## Overview

### Methods

| `procedure multiplyComponents(fac: xqfloat);`
| `procedure divideComponents(fac: xqfloat);`
| `procedure addDuration(const D: TXQValueDateTimeData);`
| `procedure subtractDuration(D: TXQValueDateTimeData);`
| `procedure truncateRangeH();`

## Description

### Methods

| `procedure multiplyComponents(fac: xqfloat);`

| `procedure divideComponents(fac: xqfloat);`

| `procedure addDuration(const D: TXQValueDateTimeData);`

| `procedure subtractDuration(D: TXQValueDateTimeData);`

| `procedure truncateRangeH();`

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