ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Configuring the "fax server" computer
WINDEV and WEBDEV allow you to manage faxes via the system fax server, available in Windows XP and Windows 2000......
Cleaning the project
After months or years of development and maintenance, the directory of your project often contains several files that are not used anymore but that you don't dare delete......
Container controls
WINDEV, WEBDEV and WINDEV Mobile feature different controls that can contain other controls......
ProcedureTrace (Property)
The ProcedureTrace property allows you to specify the name of the WLanguage procedure used to get the headers and data sent.
1. Project and Analysis
The development of a Windows application with WINDEV is based on two main elements: the Project and the Analysis....
ProcedureEntête (Property)
The property HeaderProcedure property defines the procedure called to read headers in the event of a successful HTTP request.
Customizing the Switch controls
The Switch control is a 2-state Check Box control (on/off, true/false, yes/no)......
OpenDocument (Function)
Opens a document in a new (non-modal) window using the WINDEV editor adapted to the document. As of WINDEV Suite SaaS 2025 Update 2, the diagram editor will be used to open diagrams...
Report data source
...The reports can be created with the data coming from:...
HModifyScheduling (Function)
Modifies a scheduled task on an HFSQL server: stored procedure, backup, optimization, refresh of materialized view....
HAddScheduling (Function)
Creates a scheduled task on an HFSQL server: stored procedure, backup, optimization, refresh of materialized view....
HListAnalysis (Function)
Returns the list of WINDEV or WEBDEV database schemas (in HFSQL Classic format) available in a given directory.
Database schema: Description of table structure
The database schema allows you to define the structure of tables used by the project......
Report viewer: Text copy
The report viewer allows you to copy text from the report and paste it to a file in another application......
MapLicenseGgl (Function)
Indicates the "Google Maps API" license key that will be used in the Map controls (of WINDEV or WEBDEV).
Handling a Looper control through programming
WINDEV, WINDEV Mobile and WEBDEV allow you to handle a Looper control by programming......
Error 34: 'Break' is not allowed outside the loops
ActionDeclareUndo (Function)
Declares how to cancel an action that was added by ActionDo. This function MUST be called when running the procedure supplied to ActionDo.
Managing the critical sections
Semaphores are used to limit the simultaneous execution of a code (procedure, line of code, etc....