ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Testing a dynamic page (session or AWP mode)
The test of a single page runs the current page in WEBDEV...
Controls of a dynamic page
Several types of controls can be handled in a dynamic page ...
Types of pages
WEBDEV enables you to create static sites and/or dynamic sites...
Properties associated with the breaks of a Looper control
Several properties can be used with the breaks found in a Looper control......
Installing and using a Bitcoin Core server
WLanguage offers various functions for handle a Bitcoin Core server......
Managing pinned projects
The home window of WINDEV, WEBDEV and WINDEV Mobile allows you to manage the pinned projects when opening an existing project......
PDFReaderInfoXY (Function)
For a given position (coordinates of a point) in a PDF Reader control, returns one of the following: the page number for the specified position, the X-position (in mm) for the specified position, the Y-position (in mm) for the specified position....
<PDF reader>.InfoXY (Function)
For a given position (coordinates of a point) in a PDF Reader control, returns one of the following: the page number for the specified position, the X-position (in mm) for the specified position, the Y-position (in mm) for the specified position....
Page constants
List of constants used by page functions....
CallWD: Function specific to the external language
Calls a WLanguage function from an external language....
ERR_CANNOT_CREATE_TMP
ERR_LAUNCH_FAILED
The "Browser" pane
When a WINDEV, WEBDEV or WINDEV Mobile element (analysis, query, ......
Two methods for passing parameters to a query
Two methods can be used to pass parameters to a query with parameters used in a window or in a control (List Box, Combo Box or Table control for example)......
Pre-launched sessions
A pre-launched session is a session of a Web site (or web service) automatically started on the Web server from the WEBDEV Application Server......
Characteristics of the Looper control in a page
To view the characteristics of the control, select "Description" in the context menu....
ERR_BAD_CONTEXT_FOUND
Properties associated with the breaks of a Table control
Several properties can be used with the breaks found in a Table control......
NULL values: Allowing nullable types
Starting with version 2024, you can allow nullable types in a WINDEV, WEBDEV or WINDEV Mobile project......
FileToScreen (Function)
Automatically updates the controls in a window or page with: the values of the bound items in the current record (loaded in memory) of the table described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
PageFromSource (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the HFSL table described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
UI compilation errors
UI compilation errors indicate the possible problems detected in your interfaces whenever a window, a page or a report is saved or whenever the project is recompiled......