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 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.
fDeleteFileWebFolder (Function)
Deletes an image file from the "_WEB" directory of the application (or from one of its sub-directories).
TransparencyMode (Property)
The TransparencyMode property is used to get and change the transparency mode of an image.
ModbusWriteBit (Function)
Writes one or multiple bits to a specific address in a Modbus slave.
CookieRead (Function)
Retrieves the value of a cookie saved on the computer of Web user.
DayWidth (Property)
The DayWidth property is used to determine and change the width of days: in a Scheduler control where the days are displayed in column and the resources in rows. in a Gantt Chart column....
AnsiToOem (Function)
Converts an ANSI string (Windows) to an OEM string (DOS).
SOAPGetResult (Function)
Returns the result of the last SOAP procedure that was successfully run.
SocketCreateInfrared (Function)
Creates a socket that uses the infrared port.
iEndReport (Function)
Forces the report print to stop.
SQLTransaction (Example)
Usage example of the SQLTransaction function
OemToAnsi (Function)
Converts an OEM string (DOS) to an ANSI string (Windows).
fLoadBuffer (Function)
Loads the content of an external file (text, image, ...) in a buffer variable.
Image Editor control properties (WEBDEV)
You can manipulate Image Editor controls in a page using the following WLanguage properties......
Title (Property)
The Title property is used to get and change the title of an element.
InTestMode (Function)
Indicates whether the application or the site is started: from the WINDEV or WEBDEV editor, from the executable or browser. from the WEBDEV administrator....
dVerticalSymmetry (Function)
Flips an image with respect to a vertical axis (symmetry with respect to a vertical axis).
dHorizontalSymmetry (Function)
Flips an image with respect to a horizontal axis (symmetry with respect to a horizontal axis).
EmailReadLastHeader (Function)
Reads the header of last incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
EmailReadFirstHeader (Function)
Reads the header of the first incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
EmailReadPreviousHeader (Function)
Reads the header of the email found before the current email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
sInEntryQueue (Function)
Retrieves the number of pending bytes in the input buffer of a specified serial port or infrared port.
Manipulating days in a Calendar control programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically manipulate the following elements......
Manipulating a Layout control programmatically
A Layout control can be......
FontUnderlined (Property)
The FontUnderlined property is used to: Determine if the text is underlined. Underline (or not) a text....
AnchorRateRight (Property)
The AnchorRateRight property is used to: Find out the anchor rate when a control moves on the horizontal axis. Modify the anchor rate when a control moves on the horizontal axis....