ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
SysIconDisplayTooltip (Function)
Displays a tooltip for an icon found in the taskbar.
ChronoStart (Function)
Starts a stopwatch to measure the duration of a process (in milliseconds) and resets a running stopwatch.
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.
ChronoEnd (Function)
Stops a stopwatch and returns the time elapsed (in milliseconds) since the start of timing (call to ChronoStart).
<Chrono>.Resume (Function)
Resumes a stopwatch previously stopped by <Chrono>.Fin or <Chrono>.Pause.
<Chrono>.Pause (Function)
Pauses a stopwatch in order to measure the time spent on a process.
ProgressBarEnable (Function)
Enables the refresh of a Progress Bar via AJAX.
ProgressBarExecute (Function)
Starts a long browser process and fill a Progress Bar via AJAX according to the progress of this process.
How do I run a data file with a filter?
<Table>.RefreshVisible (Function)
Modifies or returns the visibility status of refresh bar in a Table or TreeView Table control.
<Word Processing>.InsertTable (Function)
Inserts a table into a Word Processing control.
ChronoResume (Function)
Restarts a stopwatch that was stopped by ChronoEnd or ChronoPause.
ChronoPause (Function)
Pauses a stopwatch in order to measure the time spent on a process.
IMAP protocol
The IMAP protocol is a standard protocol for managing emails...
<Word Processing>.Print (Function)
Prints the content of a Word Processing control in "docx" format.
HOnError (Example)
Usage example of the HOnError function
Managing the emails with the POP3/SMTP protocols
The POP3 and SMTP protocols are protocols for email management recognized by all Internet Service Providers...
TableRefreshVisible (Function)
Modifies or returns the visibility status of refresh bar in a Table or TreeView Table control.
LooperRefreshVisible (Function)
Changes or returns the visibility status of the refresh bar in a Looper control.
<Word Processing>.UndoCount (Function)
Returns the number of actions that can be undone in a Word Processing control.
ExceptionThrow (Function)
Artificially triggers the security mechanism of WLanguage by throwing an exception.
<Looper>.RefreshVisible (Function)
Changes or returns the visibility status of the refresh bar in a Looper control.
<Word Processing>.GoIntoEdit (Function)
Enters Word Processing control in a specific part of the document: body, header or footer.
InWebMode (Function)
Indicates whether the current process is run:
  • from a WINDEV executable.
  • from the WEBDEV runtime engine (AWP).
DocInsertTable (Function)
Inserts a table into a Word Processing document.
docElement (Variable type)
The docElement type is used to handle each element found in a docParagraph variable.
fSelect (Example)
Usage example of the fSelect function
InWindowsMobileMode (Function)
Indicates whether the code is run:
  • from a Windows Mobile application.
  • from a WINDEV application, from a WEBDEV website or from a PHP application.
Function kept for backward compatibility.
HourGlass (Function)
Transforms the mouse cursor into hourglass and vice versa.
In Android and iOS, displays an endless progress bar in a window.
ExceptionEnable (Function)
Re-enables the current exception process if the exception was corrected.
HourglassNetwork (Function)
Shows or hides an infinite progress bar in the title bar of Android application windows.
This function is no longer available from version 2024.
<Chrono>.Start (Function)
Starts a stopwatch to measure the duration of a process (in milliseconds) and resets a running stopwatch.
<Chrono>.End (Function)
Stops a stopwatch and returns the time elapsed (in milliseconds) since the start of timing (call to <Chrono>.Start).
<Word Processing>.ToHTML (Function)
Converts the content of a Word Processing control into an HTML file.
<Word Processing>.ToPDF (Function)
Converts a Word Processing document into a PDF file.
<Word Processing>.Replace (Function)
Finds all the instances of a character string and replaces them with another string in a Word Processing control.
Managing Hive databases
Hive is a software layer of Hadoop used to run queries...
<Word Processing>.FormatPainterMode (Function)
Enables the format painter mode in the Word Processing control or determines if this mode is enabled.
<Word Processing>.InfoXY (Function)
For a given position (coordinates of a point) in a Word Processing control, returns one of the following:
  • the number of the corresponding page,
  • the corresponding X-position (in mm),
  • the corresponding Y-position (in mm).
iEndPrinting (Function)
Signals the end of the document to print and actually starts printing the data stored in the printer spooler via the following functions: iPrint, iPrintImage, iNewLine, etc.
<Word Processing>.Save (Function)
Saves a document as a "docx" file.
Upload control events
The WLanguage events associated with the Upload control are as follows:
<Word Processing>.Seek (Function)
Finds a character string in an entire Word Processing control.
XMLSavePosition (Function)
Stores the current position in the XML document.
ContactSource (Variable type)
The type ContactSource type is used to define all the advanced characteristics of a contact source (or account) (e.g. Google, Exchange, Facebook).
OLECreateEmpty (Function)
Associates an OLE control with an OLE object by invoking a specific OLE server.
HNoModif (Function)
Forbids all the modifications on a data file (for all the programs, including the one that requested the no-modification policy).
OLECreateCopy (Function)
Associates an OLE control with an OLE object while specifying a base file.
ScanToImage (Function)
Retrieves a document from a scanner in a variable of type Image.
docElementCheckBox (Variable type)
The docElementCheckBox type allows you to define all the advanced characteristics of a check box used in a form.
BTLEStatus (Function)
Returns the current Bluetooth activation status on the device or asks to be notified when the activation status changes.
Process (Property)
The Process property is used to modify the processes to be executed by the events available on a control, window, page, report, etc.
<Scanner variable>.ToImage (Function)
Retrieves a document from a scanner in a variable of type Image.
HSimulateNetwork (Function)
Simulates the operating mode of HFSQL Client/Server on an ADSL or 3G network.
WinRefreshVisible (Function)
Modifies or returns the visibility state of the refresh bar in a window.
HCancelSeek (Function)
Cancels the current search criterion.
General exception mechanism
A process of general exception is available for all the components of the object with which it is associated...
<Source>.CancelSeek (Function)
Cancels the current search criterion.
HOut (Function)
Used to find out whether the record on which you want to be positioned is located outside the data file, filter, view or query.
InTSEMode (Function)
Indicates whether the code is run:
  • from a computer in TSE mode or from a remote desktop.
  • from a computer directly.
<Source>.DeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
HDeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
<Source>.ErrorStatusModification (Function)
Returns the status of a record during a modification conflict.
HErrorStatusModification (Function)
Returns the status of a record during a modification conflict.
Creating an interactive diagram
The Diagram Editor control allows end users to create and edit diagrams...
Properties associated with HTML Display controls
WINDEV and WINDEV Mobile include different WLanguage events associated with HTML Display Controls...
<Source>.FreeQuery (Function)
Releases query resources (following use of HExecuteQuery or HExecuteSQLQuery functions).
HFreeQuery (Function)
Releases query resources (following use of HExecuteQuery or HExecuteSQLQuery functions).
HActivateFilter (Function)
Enables the filter that was previously created for the specified data file (view or query).
HEndNoDatabaseAccess (Function)
Re-allows the access (which means the connection) to one or more databases accessible via a connection.
<Connection variable>.EndNoDatabaseAccess (Function)
Re-allows the access (which means the connection) to one or more databases accessible via a connection.
<Source>.ActivateFilter (Function)
Enables the filter that was previously created for the specified data file (view or query).
HExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
<Word Processing>.Open (Function)
Opens a Word Processing file (docx format) in Read/Write mode. The docx file is opened and locked until it is closed.
GPSGetPosition (Function)
Retrieves information about the current device position.
<Source>.ExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
HLockFile (Function)
Locks a data file and restricts the access to this data file for all other sites or applications.
NetOpenRemoteAccess (Function)
Establishes a remote connection.
<Word Processing>.Add (Function)
Adds an element, document, paragraph, text, image or fragment at the end of a Word Processing control.
<Word Processing>.Position (Function)
Triggers the scroll of Word Processing control in order for the requested text to be entirely displayed.
Internal procedure
Several features require a procedure called once or several times via a WLanguage function ("Callback").
KeyPressed (Function)
Checks which key is pressed.
New (Reserved word)
New is used to allocate memory space...
<Word Processing>.ExitEdit (Function)
Exits from the current edit. The entry in edit was performed by DocGoIntoEdit.
docNumbering (Variable type)
The docNumbering type is used to define the advanced characteristics of a numbering used in a Word Processing document.
BTLEConnectionStatus (Function)
Returns the current connection status to a Bluetooth Low Energy device or asks to be notified when the connection status changes.
dbgInfo (Function)
Returns a debug information.
<Word Processing>.Select (Function)
Selects a fragment in a Word Processing control.
<Word Processing>.FindElementByName (Function)
Searches for an element by its name in a Word Processing document.
<Word Processing>.EndModification (Function)
Indicates the end of a series of actions performed in a Word Processing control in a single event ("undo/redo").
<Word Processing>.StartModification (Function)
Indicates the start of a series of actions performed in a Word Processing control in a single event ("undo/redo").
<Word Processing>.ToImage (Function)
Exports a page from a Word Processing control in image format.
<Word Processing>.ToText (Function)
Creates a character string from the data of a Word Processing control.
<Word Processing>.Insert (Function)
Inserts an object in a Word Processing control. The objects that can be used are:
  • an element,
  • a document,
  • a paragraph,
  • a text,
  • an image,
  • a fragment.
EmulateError (Function)
Emulates the next call to Error and automatically clicks the "OK" button.
<Word Processing>.RedoCount (Function)
Returns the number of canceled actions that can be redone on a Word Processing control.
<Word Processing>.Redo (Function)
Restores the last undone action on a Word Processing control.
<Word Processing>.UndoRedoDeleteAll (Function)
Deletes the entire history of the Undo/Redo mechanism for a Word Processing control.
<Word Processing>.Undo (Function)
Undoes the last action performed on a Word Processing control.
<Word Processing>.Close (Function)
Closes the docx file associated with the Word Processing control and frees the document.
<Word Processing>.ClearFormatting (Function)
Replaces the current formatting of a selection in a Word Processing control with the default formatting.
ErrorPropagate (Function)
Propagates a non-fatal error that can be processed by the calling code if the management of non-fatal errors was enabled for this code (in the code editor or by ErrorChangeParameter).
docSection (Variable type)
The docSection type is used to define the advanced characteristics of a section found in a document or paragraph.
<btleDevice variable>.ConnectionStatus (Function)
Returns the current connection status to a Bluetooth Low Energy device or asks to be notified when the connection status changes.
DocOpen (Function)
Opens a Word Processing file (docx format) in Read/Write mode. The docx file is opened and locked until it is closed.
ReplicOpen (Function)
Opens a replication in direct mode or with a replication server.
Buttons within the input area of an Edit control
You can include different buttons in the input area of an Edit control...
DocToHTML (Function)
Converts a Word Processing document into an HTML file.
NotifPushEnable (Function)
Enables the management of push notifications in a WINDEV Mobile application (Android or iOS).
HLockRecNum (Function)
Locks a record and restricts the access to this record for all the other applications.
Selection (Property)
The Selection property is used to get the characteristics of the selection (or cursor):
  • in a Word Processing control.
    Note: This selection is located in the part being edited (body, header or footer).
  • in a Spreadsheet control.
  • in an HTML Editor control.
  • in a Diagram Editor control.
<Source>.LockRecNum (Function)
Locks a record and restricts the access to this record for all the other applications.
RequestRefreshUI
Requests the execution of the "Request for refreshing the display" event (and gives back control without waiting for the execution of the event).
HTTPGetResult (Function)
Retrieves the result or the header of last HTTP request run.
RequestUpdateUI (Function)
Requests the execution of the "Request for refreshing the display" event (and gives back control without waiting for the execution of the event). This function is kept for backward compatibility.
HFilter (Function)
Defines and enables a filter on a data file, view or query.
How do I run through a data file?
<Source>.Filter (Function)
Defines and enables a filter on a data file, view or query.
JSONExecute (Function)
Calls the URL of a page on the server that returns data in JSON format (JavaScript Object Notation).
sOpen (Function)
Opens and initializes:
  • a serial port.
  • a parallel port.
  • an infrared port.
HNext (Function)
Sets the position on the next data file record according to a browse item.
HPrevious (Function)
Sets the position on the previous record of the data file according to a browse item.
<Source>.Previous (Function)
Sets the position on the previous record of the data file according to a browse item.
SQLConnect (Example)
Usage example of the SQLConnect function
BackgroundTaskAdd (Function)
Adds a new background task.
<Element>.RequestRefreshUI (Function)
Requests the execution of the "Request for refreshing the display" event of the specified element (and gives back control without waiting for the execution of the event).
<Source>.Next (Function)
Sets the position on the next data file record according to a browse item.
Instantiating an object
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation...
RequestRefreshUIElement (Function)
Requests the execution of the "Request for refreshing the display" event of the specified element (and gives back control without waiting for the execution of the event).
HReadFirst (Function)
Positions on the first file record according to a browse item.
HLast (Function)
Sets the position on the last record of a data file according to a browse item.
<Source>.Last (Function)
Sets the position on the last record of a data file according to a browse item.
EmailReadMessageHeader (Function)
Reads the header of an incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
Table populated programmatically: WLanguage manipulation (prefix syntax)
Here is an overview of how to manipulate Table controls populated programmatically in WLanguage.
Table field populated programmatically: handling in WLanguage
Here is an overview of how to manipulate Table controls populated programmatically in WLanguage.
sClose (Function)
Closes the specified serial port, parallel port or infrared port.
ParallelTaskExecute (Function)
Triggers the execution of a parallel task.
docNumberingLevel (Variable type)
The docNumberingLevel type is used to define the advanced characteristics of a numbering level used in a Word Processing document.
SQLTable (Function)
Transfers the result of a query to a Table control populated programmatically (a List Box or Combo Box control), with the possibility of Partial Fetch (the result is retrieved by blocks of rows).
<Source>.First (Function)
Sets the position on the first record of a data file according to the specified browse item.
HFirst (Function)
Sets the position on the first record of a data file according to the specified browse item.
BTLEListDevice (Function)
Returns the list of accessible Bluetooth Low Energy devices.
Other operators
The following are additional operators...
Starting WDOptimizer in a command line
HReadPrevious (Function)
Sets the position on the previous record of a file according to a browse item.
<Source>.ReadPrevious (Function)
Sets the position on the previous record of a file according to a browse item.
Reading an email
This help page explains how to read an email from a WINDEV application and how to display its content in a WINDEV application.
Telephony: Managing incoming calls
The management of the incoming calls is performed in a specific "thread".
Characteristics of Table controls in a window
Table controls allow you to display and/or enter data...
HReadNext (Function)
Sets the position on the next data file record according to a browse item.
HReadLast (Function)
Sets the position on the last record of a data file according to a browse item.
<Source>.ReadLast (Function)
Sets the position on the last record of a data file according to a browse item.
EmailStartOutlookSession (Function)
Allows you to access data handled by the Outlook messaging software (emails, contacts, groups of contacts, tasks, appointments and folders).
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators...
HImportText (Function)
Imports a Text file into an HFSQL Classic or Client/Server data file. This data file must have been defined in the data model editor, or declared with HDeclare, HDeclareExternal or HDescribeFile).
<Source>.ReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal to a sought value (generic search).
HReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal to a sought value (generic search).
Stored procedures and queries (HFSQL Client/Server)
The stored procedures are used to simplify the development and the maintenance of your applications by factorizing the code...
HEndNoModif (Function)
Unlocks a file that was locked by the same program with HNoModif.
<Source>.LogRestart (Function)
Restarts the logging process on a file.
sParameter (Function)
Defines or modifies the parameters for configuring the specified serial port, parallel port or infrared port.
HImportHF55 (Function)
Imports a Hyper File 5.5 file into an HFSQL Classic file.
<Source>.EndNoModif (Function)
Unlocks a file that was locked by the same program with HNoModif.
TimerSys (Function)
Periodically and automatically calls a WLanguage procedure.
Data persistence
The data persistence is used to store the value typed by the user...
BackgroundTaskDelete (Function)
Deletes a background task (that was added by BackgroundTaskAdd).
EmulateInfo (Function)
Emulates the next call to Info and automatically clicks the "OK" button.
EmulateWarning (Function)
Emulates the next call to Warning and automatically clicks the "OK" button.
Translating a text file with WDTRAD
Permission (Variable type)
The Permission type represents a permission requested by the application (and therefore declared in the manifest).
docFormatMulticolumn (Variable type)
The docFormatMulticolumn type is used to define all the advanced characteristics of a multicolumn section defined in a docSection variable.
HLogRestart (Function)
Restarts the logging process on a file.
AdjustmentMode (Property)
The AdjustmentMode property determines and changes how a Spreadsheet control is adjusted in a report.
HLogStop (Function)
Stops the log process of a file.
EmulateYesNo (Function)
Emulates the next call to YesNo and automatically clicks the button specified as parameter.
EmulateOKCancel (Function)
Emulates the next call to OKCancel and automatically clicks the button passed as parameter.
EmulateConfirm (Function)
Emulates the next call to Confirm and automatically clicks the button passed as parameter.
<Source>.LogStop (Function)
Stops the log process of a file.
Infinite Table and Looper controls
There are two methods to populate Table and Looper controls programmatically...
EmulateDialog (Function)
Emulates the next call to Dialog and automatically clicks the button passed as parameter.
OLELoad (Function)
Initializes an OLE control with an OLE object.
The RepeatString Looper control: Customized synchronization
How to manage the synchronization between:
  • the page displayed in the browser. This page contains a RepeatString Looper control displaying records from an HFSQL data file.
  • the corresponding page context found on the server.
HReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought value (exact-match search).
<Source>.ReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought value (exact-match search).
RulerValue (Property)
The RulerValue property is used to get or change the position of the playhead in a TimeLine control.
Report based on a text file
In a report based on a text file, the information to print is read from a text file or is directly assigned in the report controls...
HashCheckFile (Function)
Checks the Hash of a file for a specific type of algorithm.
HashCheckString (Function)
Checks the Hash of a character string for a specific type of algorithm.
2026 novelties brochure: WEBDEV novelties
WEBDEV 2026 new features in the 2026 New Features brochure.
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