ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Notifications of an HFSQL server
A server may encounter problems without any user (or developer) noticing anything.
For example:
  • a scheduled task may fail,
  • an automatic backup may fail,
  • a node may become inactive in an HFSQL cluster, ...
Docker image of the HFSQL server
A Docker container with the HFSQL server is available on Docker Hub...
HOperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server data files, the wizard allows you to...
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
InStoredProcedureMode (Function)
Indicates whether the code is run on an HFSQL server.
<Connection variable>.ManageServerUpdate (Function)
Used to manage the automatic update of HFSQL Client/Server servers by specifying the check frequency regarding the availability of updates.
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)...
HListServer (Function)
Lists the HFSQL servers installed on a computer.
Button control properties
Button controls in a window or page can be manipulated using different WLanguage properties......
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......
YInitial (Property)
The YInitial property is used to: Find out the Y-coordinate: of a control (position on Y-axis) when opening the window or the page. of a window (position on Y-axis) when opening the window. Modify the Y-coordinate of a control anchored "to bottom" (position on the vertical axis) when opening the window. Find out the Y-coordinate of a control in relation to its block (position in millimeters on the vertical axis) when opening the report....
OpenChild (Function)
Opens a non-modal child window.
Calendar control properties
Several WLanguage properties can be used on the Calendar control found in a window or in a page......
dSaveImageJPEG (Function)
Saves an image: in a JPEG file. in memory....
Handling Button controls programmatically
WINDEV, WINDEV Mobile and WEBDEV allow you to programmatically handle Button controls......
The Multimedia control (WEBDEV)
...The Multimedia control is used to easily display a video in the browser....
HRplManageFile (Function)
Defines the options used for the universal replication of a file: the replication direction. the management mode of conflicts....
MakeInteger (Function)
Builds a 4-byte integer from two 2-byte integers.
InSimulatorMode (Function)
Used to find out whether the application is started in "simulator test mode" from WINDEV Mobile.
xlsRow (Type of variable)
The xlsRow type is used to describe and modify a row in an Excel document...
grDonutHolePercentage (Function)
Modifies the percentage corresponding to the radius of the hole in a Donut chart.
HTTPCreateForm (Function)
Creates an HTTP form.
xlsColumn (Type of variable)
The xlsColumn type is used to describe and modify a column in an Excel document...
RGBToHTML (Function)
Returns the HTML color corresponding to the RGB color.
fCreateLink (Function)
Creates a link on a file at the specified location.
ElementWidth (Property)
The ElementWidth property is used to: Find out or modify the width of the elements in an Organization Chart control. Find out or modify the width of the cells in a Dashboard control....
ElementHeight (Property)
The ElementHeight property is used to: Find out or modify the height of the elements in an Organization Chart control. Find out or modify the height of the cells in a Dashboard control....
Map control functions
Map control functions...
PDFMergeWithPassword (Function)
Merges several existing and password-protected PDF files into a single PDF file.
dbgOnError (Function)
Defines the WLanguage procedure that will be called whenever an error is detected by a dbgCheckXXX function.
fCopyFileWebFolder (Function)
Copies an image file from the data directory of application (or from one of its sub-directories) to the "_WEB" directory of application (or to one of its sub-directories).
fBuildPath (Function)
Builds a complete file path from the directory and short name of a file. This function is mainly used to get a valid file name without having to worry about the presence of separators in the path ('/' or '\') or about their direction according to the platform....
MapMode (Property)
The MapMode property determines and changes how the map is displayed in the Map control.