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...
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)...
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
<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.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
HOperationInProgress (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.
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server tables, the wizard allows you to...
HListServer (Function)
Lists the HFSQL servers installed on a computer.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
ToolTipTitle (Property)
The ToolTipTitle property gets and sets the text displayed in the tooltip associated with the column title of a Table control. This tooltip only appears when the Table control column title is hovered over.
Border (Property)
The Border property gets and sets the characteristics of the borders: for a report control or block. for a window control. for a cell of the Table control....
dbgOnError (Function)
Defines the WLanguage procedure that will be called whenever an error is detected by a dbgCheckXXX function.
Crosshair in a chart
In a Line chart, it may be difficult to read the value of axes for a point that is far from these axes......
ImageMode (Property)
The ImageMode property is used to get and change the display mode of an image in an Image control, in the column of a table of type Image or in the background of a Chart control in a window.
NextTitle (Function)
Modifies the title of next window to open.
EnumControl (Function)
Returns the name of Nth control found in the specified element.
DateToString (Function)
Converts: a date to a string in the specified format. a date time to a string in the specified format....
zipCreate (Function)
Creates an archive.
Warning (Function)
Displays a custom message in a system warning window.
Calendar control properties
Several WLanguage properties can be used on the Calendar control found in a window or in a page......
Button control properties
Button controls in a window or page can be manipulated using different WLanguage properties......
2. Types of setup
Types of setup...
Enlarging a window or page
Modern UIs generally use larger windows, pages and fonts......
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.
dSaveImageJPEG (Function)
Saves an image: in a JPEG file. in memory....