ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Chart>.Exist (Function)
Checks the existence of a chart in memory.
<Menu>.Exist (Function)
Indicates whether a menu option exists in a menu.
<Page>.Exist (Function)
Allows you to find out whether a page context exists on the server (which means whether the page was opened).
<zipArchive variable>.Exist (Function)
Determines whether an archive exists.
Key and referential integrity
In a database schema, the "Key" items are also used to manage the consistency of data (called...
grDraw (Function)
Draws a chart according to the specified parameters.
fUncompress (Function)
Decompresses a file that was compressed by fCompress.
Compilation statement: COMPILE IF
The <COMPILE IF> statement allows you to compile (or not) a WLanguage code according...
Error messages that can be displayed in the browser
This help page presents the different error messages that can be displayed in the browser......
Thread (Type of variable)
The Thread type allows you to define all the characteristics of a thread.
Telemetry: Method used to send data
Telemetry data is sent to the server regularly and is processed by the server every 2 hours......
ExecutionMode (Function)
Allows you to: find out and/or modify the behavior of the application or site when some errors...
MDIOpen (Function)
Opens and enables an MDI child window.
How Session mode pages work
WEBDEV includes several types of pages to create dynamic sites......
fTime (Function)
Returns or modifies the different times associated with a file or directory (date created, modified...
xlsOpen (Function)
Opens an Excel file (xls or xlsx files).
Linux application: Tips and tricks
In Windows/Linux multi-configuration applications, several limitations may appear: control...
User Groupware and LDAP
The LDAP protocol is increasingly used by the companies......
htmlNode (Type of variable)
The htmlNode type is used to define all the advanced characteristics of a node of an HTML document.
ReturnToCapture (Function)
Stops the current process and forces the input in the specified control, window or page.
Binding an Image control to an item
An Image control can correspond to an item found in a data file, in a query, ......
Choosing the action associated with a WEBDEV button
Whatever the type of button, it is possible to associate an action with it......
Constants for managing errors and exceptions
List of constants used by the functions for managing errors and exceptions....
SetFocusAndReturnToUserInput (Function)
Stops the current process, sets the focus to the specified control, window or page, and allows...