ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Conceptual Data Model (CDM)
In the MERISE methodology, the conceptual data model defines the objects and the actions that must be taken into account in the database......
Generating and deploying 64-bit applications
WINDEV allows you to automatically generate and install a 64-bit application.
How to manage a multi-selection in a Table control?
This help page explains how to manage a multi-selection in a Table control....
2. Modes to install an application
External language: Programming in C++ (WDWDIAL interface)
This third method uses the notion of class inheritance to simplify the interfacing between a C++ application and WINDEV......
ERR_BUTTON_EXPECTED
ChangeStyle (Function)
Modifies the style of a control dynamically.
ERR_NOTAVAILABLE
Binding controls to data
A window or page can display information from......
6. HFSQL Cluster
HFSQL Cluster is an extension of the HFSQL Client/Server database model....
iForceComplement (Function)
Forces the printing of a Body Complement block.
<ManualEvent variable>.Close (Function)
Closes a synchronization event between several threads.
WinInYPos (Function)
Returns the vertical position of the upper-left corner of the internal area (without border and title bar) of a window in relation to the upper-left corner of the screen.
3. Types of accessible data files
Style (Property)
The Style property is used to retrieve and assign the entire style of a control (including the overrides).
OrganizerSelectedRange (Function)
Returns the start or end date and time of the time slot selected in an Organizer control.
SchedulerSelectedRange (Function)
Returns the start or end date and time of the time slot selected in a Scheduler control.
<Organizer>.SelectedRange (Function)
Returns the start or end date and time of the time slot selected in an Organizer control.