ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HRead (Function)
Reads a record in a file according to a given record number.
Associative array (Type of variable)
An associative array is an "advanced" type of array...
WDHFDiff: Overview
WDHFDiff is a tool used to compare HFSQL data files......
fDateTime (Function)
Returns or modifies the different dates and times associated with a file or directory (date created, modified or accessed).
dbgCheckFalse (Function)
Checks whether an expression is false in assertive programming and in automated test mode.
HTransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
The single-part and multi-part archives
Two types of archives are available......
DeleteLine (Function)
Deletes a line at a given position: from a two-dimensional array. from the advanced array property (array of gglCalendar events, etc.)....
ArrayToCSV (Function)
Converts a one-dimensional array or a two-dimensional array into a character string in CSV format.
dbgError (Function)
Provokes: an assertion during the test of element or project (Go mode). an error in automated test mode....
EmailListFolder (Function)
Returns the list of folders: found in the Outlook messaging software. for an IMAP session....
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc....
HSetPosition (Function)
Sets the position on a record, based on the approximate position of one of its items.
Marker (Type of variable)
The Marker type is used to define the characteristics of a marker that must be positioned on a map displayed in a Map control.
zipExtractDirectory (Function)
Automatically extracts and decompresses files from a directory in the file tree of an archive to a physical location.
ActionClick (Property)
The ActionClick property is used to define the procedure executed when an element is clicked.
Binding an Image control to an item
An Image control can correspond to an item found in a data file, in a query, ......
geoPosition (Type of variable)
The geoPosition type is used to handle geographic positions via WLanguage geolocation functions.
Programming Table controls based on a data file
This page explains how to program Table controls based on a data file......
EmailReadNext (Example)
Usage example of the EmailReadNext function
HListProvider (Function)
Returns the list of OLE DB providers and/or Native Connectors installed on the current computer....
fCreate (Function)
Creates an external file.
CSVToArray (Function)
Fills a one- or two-dimensional array of the specified type with the character string in CSV format passed in parameter.
iRoundBorder (Function)
Prints a border with rounded outlines at specified coordinates.
The setup editor WDInst
WDInst is a setup editor used to define the setup parameters of your application......