ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Integrating a WEBDEV site into a WINDEV application
By integrating a website into a window in a desktop application, you can share existing elements and boost productivity...
Types of help systems in a WINDEV application
There are multiple solutions to provide help to the users...
FAA: Did you know?
Our surveys show that end users love AAFs (Automatic Application Features) and that these AAFs increase their satisfaction and efficiency when using the applications...
AppDetectUPDAvailable (Function)
Disables or customizes the automatic check for available updates.
Steps to develop an application
This diagram presents the different steps for developing an application with WINDEV...
"About" window
The "About" window is used to display and access various information about the current application ...
Locking an application
WINDEV gives you the ability to lock your applications (after a specific duration for example)...
Convert your WINDEV applications into websites
A widespread need today is to transform Windows applications (or parts of applications) into dynamic websites...
RestartProgram (Function)
Ends the application and restarts it.
AI Chat control
With the AI Chat control, your WINDEV applications can easily interface with the AI model of your choice...
WDInst: set the directory for data files and User Groupware files
The setup editor WDInst ("Tools...
"?" menu
WINDEV proposes a help menu adapted to your applications...
Operating mode of HFSQL application
An HFSQL application can operate in network mode or in Client/Server mode...
.NET application
To create a.NET application from a project...
Managing custom fonts in a WINDEV or WINDEV Mobile project
Both WINDEV and WINDEV Mobile projects support custom fonts, including Google Fonts...
Activating an application or a site
When distributing an application or a site, you may want to offer both a full version and a limited version...
History of versions
The history of setup versions is an advanced feature of the network setup...
Reverse (Function)
Returns the character that corresponds to the difference between the ASCII code of a specific character in a string and 255.
TimeSys (Function)
Returns or modifies the system time (current time defined for the current computer).
TableFilteredColumn (Function)
Returns the list of columns filtered by the user in a Table or TreeView Table control.
HTTPCookieReplace (Function)
Replaces all the cookies stored for a domain: by HTTPRequest. by HTTPSend....
HSendMessageToClient (Function)
Displays a message on the client computers.
HFileExist (Function)
Determines: whether a file exists, which means whether it was physically created (HCreation or HCreationIfNotFound). whether a view or a query was defined....
ExtractString (Function)
Allows you to: extract a substring from a string based on a specified string separator. search for substrings in a string based on a specified string separator....
TimeDifference (Function)
Calculates the difference between two times in hundredths of a second.
NullSupported (Property)
The NullSupported property is used to manage the NULL value in HFSQL data files.
zipDeleteAll (Function)
Deletes all files from an archive.
Queue (Type of variable)
A Queue variable is a structured type that groups a set of elements of the same type.
EmailReadNext (Function)
Reads the incoming email found after the current email according to the protocol (POP3 or IMAP, MS Exchange, Lotus Notes or Outlook).
PDF Reader control functions
The following functions are used to manage PDF Reader controls:...
HError (Function)
Returns the number of the last error triggered by the HFSQL engine.
HLinkMemo (Function)
Used to associate a file with a binary memo item or to cancel the existing link between a file and a binary item.
zipMsgError (Function)
Returns the message associated with an error code on an archive.
EmailReadPrevious (Function)
Reads the email found before the current email according to the protocol used (POP3 or IMAP, MS Exchange, 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).
zipDeleteFileList (Function)
Deletes a list of files from an archive.
HTransactionFree (Function)
Transforms all the records "in transaction" into "Normal" records if these records do not belong to a transaction currently in progress.
zipChangePath (Function)
Modifies the stored path of a file in an archive (in ZIP, WDZ or 7z format).
EmailReadFirst (Function)
Reads the first incoming email according to the protocol used (POP3 or IMAP, MS Exchange, Lotus Notes or Outlook).
HTTPCookieWrite (Function)
Adds or modifies a cookie in an HTTP request.
zipDeleteFile (Function)
Deletes a file from an archive.
HTransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.