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.
Events associated with Image controls
List of events associated with Image controls...
Input masks and display masks
WINDEV, WEBDEV and WINDEV Mobile propose two types of masks......
zipMerge (Function)
Merges the different sub-archives found in a multi-part archive to create a single-part archive.
Image control properties
The Image controls include properties that can be handled in WLanguage both in the windows and pages but also in the reports......
fReadLine (Function)
Reads a line from an external file (ANSI or UNICODE).
List Box control properties
You can manipulate List Box controls in a window or page using the following WLanguage properties......
The Layout control
The Layout control simplifies the implementation of dynamic UIs where controls are displayed and/or hidden programmatically......
dText (Function)
Draws a text: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
Images, colors and tabs
To optimize the appearance of your screens, WINDEV, WEBDEV and WINDEV Mobile allows you to use images or colors in your tab controls......
ID (Property)
The ID property is used to get and change IDs.
Size (Property)
The Size property is used to determine and change the size of an element.
InUMCMode (Function)
Indicates whether the code is run from a code written in a user macro-code.
LastDayOfMonth (Function)
Returns the date of the last day for the specified month.
SchedulerPositionDateTime
Displays a Scheduler control from a specified date or returns the date of the first day (or last day) displayed in a Scheduler control.
Heatmap chart
The Heatmap chart is used to represent in 2 dimensions data with 3 axes of values......
TestCheckEqual (Function)
Checks whether the expressions are equal in assertive programming and in automated test mode.
The Image Editor control (WEBDEV)
By using the Image Editor control in your websites, you will allow users to create and edit images or photos......
Validating a page other than the current page
In some cases, you may have to propose the validation of a page via a button (or a link) found in a different frame......
ExceptionInfo (Function)
Retrieves information about the current exception.
Dimension (Function)
Returns the size of a variable (string, numeric, array, ...) or resizes a dynamic array.
ControlExist (Function)
Checks the existence of a control (or group of controls) in a window, in a page or in a report.
NetOpenRemoteAccess (Function)
Establishes a remote connection.
grClearPict (Function)
Erases the chart drawing (in an Image control or in a window).
iPrintBlock (Function)
Forces a report block to print.
xlsColumnTitle (Function)
Retrieves the title of a column found in an XLS file.