Unalterable (Property)

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Unalterable (Property)

In french: Inaltérable

Available only with these kinds of connection

The Unalterable property is used to configure the unalterability of a data file: the data file cannot be modified; only additions can be made.

You can:

Find out whether a data file is unalterable or not (data file defined in the data model editor or through programming).
Define the characteristics regarding the unalterability of a data file (when describing the data file through programming only).

Example

AFile is File Description
AnItem is Item Description

// Describe the "Customer" data file
AFile.Name = "Customer"
AFile.Type = hFileNormal
AFile.Unalterable = True

// Item description
AnItem.Name = "Message"
AnItem.Type = hItemText
AnItem.Size = 40
HDescribeItem(AFile, AnItem)

// Validate the data file description
HDescribeFile(AFile)

Syntax

Finding out whether a data file is unalterable or not Hide the details

<Result> = <Data file>.Unalterable

<Result>: Boolean

True if the data file is unalterable,
False otherwise.

<Data file>: Character string

Name of the data file used. This name was defined in the data model editor or with the File Description type.

Defining the characteristics regarding the unalterability of a data file (data file defined through programming) Hide the details

<Data file>.Unalterable = <Unalterability>

<Data file>: Character string

Name of the data file used. This name was defined by the File Description type.

<Unalterability>: Boolean

True if the data file must be unalterable,
False otherwise.