MmoPackMethod (Property)

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MmoPackMethod (Property)

In french: CompressionMMO

Available only with these kinds of connection

The Property CompressionMmo allows you to set the compression mode of the MMO file (containing the binary and text memos) associated to the data file. You can:

find out the compression mode for a memo file (data file defined in the data model editor or defined by programming).
modify the compression mode of memos (data file defined by programming only).

Versions 17 and later

This property is now available for iPhone/iPad applications.

New in version 17

This property is now available for iPhone/iPad applications.

Versions 18 and later

This property is now available in Windows Store apps mode.

New in version 18

This property is now available in Windows Store apps mode.

Versions 21 and later

This property is now available in Universal Windows 10 App mode.

New in version 21

This property is now available in Universal Windows 10 App mode.

Example

// Description of a data file by programming
AFile is File Description
// Modify the compression mode of this data file
UnFichier.CompressionMmo = hPackZLW

Syntax

Finding out the compression mode of the memos Hide the details

<Current compression mode> = <Data file>.MmoPackMethod

<Current compression mode>: Integer constant

The two compression modes are:
hPackNo No compression is performed on the memo file.
hPackZLW The memo file is compressed according to the Ziw-Lempel algorithm, Welch implementation.

<Data file>: Character string (with or without quotes)

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

Defining the compression mode of the memos Hide the details

<Data file>.MmoPackMethod = <New compression mode>

<Data file>: Character string (with or without quotes)

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

<New compression mode>: Integer constant

The two compression modes are:
hPackNo No compression is performed on the memo file.
hPackZLW The memo file is compressed according to the Ziw-Lempel algorithm, Welch implementation.