ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage......
Automatic management of exceptions
The management of exceptions can be customized by process......
Creating a query
Two methods can be used to create a query......
iParameterPreview (Function)
Configures the print preview: display a message regarding the resources of current computer. display or hide the ribbon tabs and buttons. the export options available in the mini preview window....
Partial indexing of memos
You now have the ability to index the content of a text memo item......
NextTitle (Function)
Modifies the title of next window to open.
iParameterViewer (Function)
Configures the report viewer.
WDAPI: Using APIs in a WINDEV application
The two most interesting features of WDAPI are......
Events associated with TreeView controls
List of events associated with TreeView controls...
Managing the Bluetooth keys
Create a new type of application! With no contact between the PC and the mobile device, several processes can be run on the PC by using the data found on the mobile device......
Principle of remote check
Manipulating Pivot Table controls programmatically
A Pivot Table control can be handled through programming......
StoredItem (Property)
The StoredItem property is used to: Find out the stored item or the stored variable of a Table, Looper, List Box or Combo Box control. Modify the stored item or the stored variable of a Table, Looper, List Box or Combo Box control....
2. Performance profiler
WINDEV Tutorial: Optimizing a project Lesson 2 - Performance profiler - 15 min
HFSQL Control Center: Optimize and repair data files
The HFSQL Control Center optimizes and repairs HFSQL data files in both Classic and Client/Server modes......
DisplayedItem (Property)
The DisplayedItem property is used to: Find out the item or the variable displayed by the control. Modify the item or the variable displayed by the control....
Error messages that can be displayed in the browser
This help page presents the different error messages that can be displayed in the browser......
Handling a Radio Button control programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle Radio Button controls......
Plane (Property)
The Plane property is used to: Get: the active plane of a window (or report) or the plane to which a control belongs. the active plane of a WEBDEV element. Change: the active plane of a window (or report) or associate a control with another plane. the active plane of a WEBDEV element....
LINUX: Accessing the ODBC databases
The native access to HFSQL Classic and Client/Server is available for the WINDEV applications running in Linux ("console" applications) and for the WEBDEV sites hosted in Linux......
Google Maps management functions
List of functions for managing Google maps...
Description (Property)
The Description property is used to get and change the page description.